Stuart M. Rosenberg is a partner in the Palo Alto office of Gibson Dunn, where his practice focuses on intellectual property litigation and counseling. He handles disputes in the United States District Courts, the United States Patent and Trademark Office, the Court of Appeals for the Federal Circuit, the International Trade Commission, and California State Court, as well as in Alternative Dispute Resolution proceedings. He has represented clients in a variety of industries and technologies, including software and electronics, medical devices, sporting goods, and automotive design, was named as a Top Intellectual Property Lawyer in 2026 by the Daily Journal, and has been recognized by The Legal 500 USA for his trade secrets work.

 

Stuart earned his Juris Doctor degree with distinction in 2005 from Stanford Law School, where he was an Articles Editor for the Stanford Law Review. He graduated from Yale University in 2002 with a degree in Physics & Philosophy. In 2007 and 2008, Stuart served as a law clerk for Chief Judge Paul R. Michel of the United States Court of Appeals for the Federal Circuit. Stuart is a member of the bar of the State of California, is registered to practice before the United States Patent and Trademark Office, and is admitted to practice in the Northern and Central Districts of California, the Eastern District of Texas, and the Federal and Ninth Circuit Courts of Appeals.

Stuart’s recent representative matters include:

  • Patent litigation in the Western District of Texas regarding computer networking technology – Gibson Dunn represents the leading supplier of computer network equipment in a multi-patent dispute with hundreds of millions of dollars in claimed damages.  Stuart and the team prevailed in dismissing multiple patents before trial as invalid or not infringed, and then secured a rare directed verdict during trial on the last remaining patent, resulting in a complete victory for our client on all asserted claims.  The American Lawyer recognized Stuart as the Litigator of the Week for this victory.
  • Patent litigation in the Central District of California regarding data storage technology – Gibson Dunn is defending a leading hard drive manufacturer in a dispute regarding encryption technology.  Stuart and the team recently obtained judgment as a matter of law on damages, overturning a judgment of more than $550 million dollars against our client, and successfully reducing the judgment to nominal damages of one dollar instead. 
  • Trade Secret and patent litigation regarding electric vertical takeoff and landing aircraft– Gibson Dunn represents a leading public company in the Advanced Air Mobility market in a multi-venue dispute relating to electric vertical takeoff and landing (eVTOL) aircraft. Stuart and the team recently won key victories, including summary judgment and judgment on the pleadings regarding the majority of the alleged trade secret and patent claims, and the California state and federal court components of the dispute have now been resolved with a forward-looking collaboration between the parties. Stuart deposed key engineers and corporate representatives, worked closely with the technical experts, and briefed and argued key issues in court, including summary judgment for both trade secret and patent claims, as well as patent claim construction and motion practice regarding infringement contentions.
  • Patent litigation in the International Trade Commission and district courts regarding smartwatches and trackers – Gibson Dunn represents a leading health and fitness company in a multi-venue patent dispute regarding smartwatches and activity tracking, including several district court cases and an International Trade Commission investigation. Stuart and the team recently won a complete defense for our client in the ITC investigation, including summary determination of noninfringement on multiple patents and a final determination invalidating the only remaining patent after trial, leading Stuart to be recognized as American Lawyer’s Litigator of the Week. Stuart prepared and examined witnesses at the trial, handled fact and expert depositions before trial, and led the successful briefing on summary determination.
  • Inter Partes Review in the United States Patent and Trademark Office – Gibson Dunn represented a leading medical device manufacturer in a dispute with a direct competitor regarding surgical tools for joint replacement procedures. Stuart argued successfully before the Patent Trial and Appeal Board in IPR proceedings, seeking and obtaining cancellation of all claims asserted by the opposing party in litigation.
  • Patent litigation in the Eastern District of Texas regarding FRAND-encumbered telecommunications patents – Gibson Dunn defended a major United States wireless network operator in a series of patent cases regarding allegedly essential LTE and 3G technologies. Stuart worked with experts on standard setting to pursue counterclaims against the plaintiff for violations of its FRAND obligations, and successfully maintained those counterclaims in the face of pretrial motions before the dispute settled on the eve of trial.
  • Patent litigation in the District of Delaware regarding network-based storage technology – Gibson Dunn represented the plaintiff, the market leader in network storage equipment, in infringement litigation against a direct competitor. We obtained summary judgment of infringement, and then prevailed in a jury trial on remaining issues, obtaining an eight-figure damages award. Stuart examined the technical experts and the defendant’s technical fact witnesses at trial, and argued claim construction and other legal issues before the court.
  • Patent litigation in the Northern District of California and the Federal Circuit regarding smartphone technology – Gibson Dunn represented a leading smartphone manufacturer in litigation brought against it by a company who claimed to have invented the mobile internet in the 1990s. The plaintiff asserted ten patents, and Gibson Dunn was able to obtain dismissal of all ten patents before trial. Stuart briefed and argued claim construction and successful summary judgment motions on several of the patents.

Jan Przerwa is an associate in the Brussels office of Gibson Dunn, where he is a member of the firm’s Antitrust and Competition, Artificial Intelligence, and Tech and Innovation Practice Groups.

Jan’s practice covers EU tech regulation and competition law, with particular expertise in the Digital Services Act (DSA), Digital Markets Act (DMA), and AI Act, as well as abuse of dominance, merger control, and competition compliance. He advises clients on regulatory strategy, compliance design, engagement with the European Commission and national authorities, as well as litigation before the EU Courts. Jan has experience across a broad range of sectors, including online retail, social media, cloud computing, Internet of Things, online advertising, telecommunications, healthcare, and basic industries.

Jan holds an LL.B. (cum laude) from Maastricht University, an LL.M in Competition Law from King’s College London, and an LL.M. in International Economic Law, Business & Policy from Stanford University.

Prior to joining Gibson Dunn in 2022, Jan worked as a competition associate at an international law firm in Brussels.

Jan is a native Polish speaker and is also fluent in English.

Kevin J. White is a senior associate in the Palo Alto office of Gibson Dunn. He is a member of Gibson Dunn’s Litigation, Securities Litigation, and White Collar Defense and Investigations Practices.

Mr. White handles a wide range of complex commercial disputes, including breach of contract matters, fraud and business torts, securities class actions, and mergers and acquisitions disputes. Mr. White also represents companies from a range of industries in consumer protection, trade secret, and government enforcement matters. Fluent in Mandarin, Mr. White also regularly represents Chinese companies in U.S. Courts and other arbitral proceedings.

Prior to joining Gibson Dunn, Mr. White was a litigation associate at a large international law firm. He previously clerked for the Honorable Stanley R. Chesler, United States District Judge for the District of New Jersey.

Mr. White earned his law degree from New York University School of Law in 2015. He received a Bachelor of Arts in Philosophy, cum laude, from Amherst College.

Mr. White is admitted to practice in California, New York, and New Jersey, as well as before the U.S. Courts of Appeals for the Ninth and Federal Circuits and the U.S. District Courts for the Northern District of California, Central District of California, Southern District of California, and Southern District of New York.

Representative Matters*:

  • Represented a public medical device company in expedited litigation and trial in the Delaware Court of Chancery regarding preferred shareholder rights relating to ownership stake in early-stage med tech company.
  • Represented a global insurance company and real estate investor in multiple lawsuits across the United States seeking to uncover and enjoin ongoing real estate fraud; obtained eight-figure civil RICO judgment for client.
  • Represented a public biotechnology company in a federal securities class action and related shareholder derivative litigation pending in the Northern District of California and California State Court.
  • Represented an international hedge fund in a dispute with the Federal Deposit Insurance Corporation pending in the District of Columbia relating to the collapse of Silicon Valley Bank.
  • Represented a software technology company in a shareholder class action pending in Delaware Chancery Court arising from a going private transaction with the company’s largest stockholder.
  • Represented a global social media company in multidistrict litigation pending in the Northern District of California involving consumer protection and product liability claims.
  • Represented the former directors and officers of a large oil field services company in a shareholder class action in Delaware Chancery Court relating to the company’s merger with an oil segment of a large conglomerate.
  • Represented an investment fund in a qui tam lawsuit pending in California State Court relating to claims under the California Insurance Frauds Prevention Act.
  • Represented a global investment bank and banking syndicate in multiple state and federal securities class actions arising from the IPO of a technology company.
  • Represented a public biopharmaceutical company in a federal securities class action and related regulatory investigation arising from certain public statements made by the Company and its senior executives.
  • Represented a public biopharmaceutical company in a lawsuit alleging trade secret misappropriation and patent infringement. Obtained dismissal of all claims and affirmance of appeals to the Courts of Appeal for the Ninth Circuit and Federal Circuit.
  • Represented the minority shareholders and former officers of a bitcoin start-up company in a dispute with the majority shareholder relating to alleged breaches of contract and breaches of fiduciary duty.
  • Represented a publicly-held Chinese electronics company in a dispute with a U.S. medical device maker relating to alleged breaches of a technology licensing agreement. Obtained dismissal of company from lawsuit.
  • Represented a foreign petrochemical company in a dispute with its joint venture partner relating to an option agreement and the acquisition of membership interests.
  • Represented a corporate officer of a U.S. automobile company in a multi-plaintiff securities litigation in federal court in Delaware. Assisted in obtaining dismissal of class action claims in related action commenced in federal court in Illinois.
  • Represented a semiconductor company in a dispute with a Chinese computer manufacturer over breach of technology license agreements. Successfully settled dispute after winning default judgment.
  • Represented a data storage company in a dispute arising from the calculation and payment of an ‘earnout’ payment in connection with the acquisition of a private company. Obtained favorable settlement after successful motion to compel arbitration.

*Includes matters prior to joining Gibson Dunn.

Jonah Bluh is a litigation associate in the Orange County office of Gibson Dunn and a member of the firm’s Labor and Employment Practice Group. 

He received his J.D. from Pepperdine Caruso School of Law in 2025. While in law school, he served as a Note and Comment Editor for the Pepperdine Law Review, was a recipient of the Dean’s Scholarship, and externed for the Honorable Todd W. Eddins of the Hawaii Supreme Court. Jonah earned his Bachelor of Arts degree in Political Economy from the University of California, Berkeley, where he graduated with High Distinction. 

Jonah is admitted to practice in the State of California.

James Addison is of counsel in the London office of Gibson Dunn. He is a member of the Mergers and Acquisitions, Capital Markets and Private Equity Practice Groups.

James has extensive experience advising on complex corporate and cross-border transactions across multiple jurisdictions. His expertise includes advising listed clients, financial intermediaries, portfolio companies and private equity sponsors on public takeovers, strategic M&A, IPOs and secondary offerings.

James received both a Bachelor of Laws (Hons) and a Bachelor of Commerce from the University of Western Australia. He is dual-qualified in England & Wales and Western Australia.

Prior to joining Gibson Dunn, James practiced at leading law firms in London, New York and Australia.

Selected experience includes advising:*

Public M&A

  • Assura on the competing takeover bids by Primary Health Properties and the KKR / Stonepeak consortium
  • Blancco Technology Group on its takeover by Francisco Partners
  • DBAY Advisors on its takeover of Alliance Pharma
  • Macquarie Principal Capital, through its investment in Wavenet, on the takeover of AdEPT Technology Group
  • MySale Group on its takeover by Frasers Group
  • Cornerstone Capital Resources on its merger with SolGold
  • Investec as financial adviser on the takeover of N Brown Group 

Private M&A

  • NYSE-listed consulting company on its acquisition of a leading applied AI company
  • Global financial sponsor on its disposal of a UK healthcare business
  • Storeshield, a subsidiary of Linde, on the carve-out and sale of Gist to Marks & Spencer
  • Söderberg & Partners on its acquisition of Timothy James & Partners
  • Inflexion on its sale of Marley Group to Marshalls
  • S4Capital on its acquisition of MediaMonks
  • TA Associates on its sale of Merian Global Investors to Jupiter Fund Management
  • Brooks Macdonald Group on its acquisition of Cornelian Asset Managers
  • White Mountains on its acquisition of a majority interest in Bamboo Ide8 Insurance

Capital Markets

  • Bytes Technology Group on its demerger, IPO and London / Johannesburg dual-listing
  • Breedon Group on its re-domiciliation, new holdco scheme and London listing
  • Marley Group on its proposed IPO and London listing
  • European PE sponsor on the proposed IPO and London listing of a leading UK franchise
  • finnCap Group on its IPO and London listing
  • Marks Electrical on its IPO and London listing
  • Numis, HSBC and Barclays on Hyve Group’s rights issue

* Includes experience prior to joining Gibson Dunn.

Alice Brogi is a partner in the London office of Gibson Dunn. Alice is a member of the Private Equity, Mergers and Acquisitions and Infrastructure Practice Groups.

Alice practices private equity M&A, representing sponsors in cross-border transactions across a number of sectors with a focus on infrastructure and hard assets. She has advised clients on domestic and cross-border acquisitions, disposals, preferred equity and debt investments, joint ventures, loan-to-own restructurings, and portfolio acquisitions in the United Kingdom, France, Germany, Austria and the Nordics.

Alice has extensive experience in advising private equity firms on investments across a number of sectors, including digital infrastructure, transport, utilities, climate investment and energy transition projects. She has previously completed secondments at Hudson Advisors UK and to the merchant banking division of Goldman Sachs.

Alice is recognised in the Chambers UK 2026 guide for Infrastructure. She is additionally recommended by The Legal 500 UK 2026 as a next generation partner for Infrastructure and Private equity (high-value deals, £500m+). She was also recognised by Law.com as one of the 2023 International Rising Stars, highlighting the industry’s ‘best and brightest’ female lawyers and among Europe’s 25 best up-and-coming private equity lawyers in Law.com International’s Rising Stars 2022 list. Alice is also named in The Lawyer’s Hot 100 2023 list, which celebrates the most daring, innovative, and creative lawyers.

Alice received a master’s degree in French and German corporate law, magna cum laude, from the Universite Paris Nanterre and an LL.M. in corporate law from the London School of Economics in 2007. She is admitted to practice in England and Wales and France. Alice is a native French speaker and also fluent in English and German.

Private Equity Transactions:*

Digital Infrastructure:

  • Advised KKR in their investment in Gulf Data Hub, one of the largest independent data center companies in the Middle East, creating a landmark strategic partnership to invest $5 billion in the region.
  • Advised a client on their bid to acquire a co-control stake from Iliad in OpCore, a leading operator of data centres in France and in Poland.
  • Advised a client on their bid to acquire Spanish leading data centre platform, Nabiax from Asterion and Telefonica.
  • Advised KKR and Oslo Pensjonsforsikring in their investment in 30% of Telenor Fibre ASA, Telenor’s fibre optic business, for $1 billion.
  • Advised H.R.L Morrison on its acquisition of 33.3% in Lyntia Networks, one of the leading dark fibre providers in Spain.
  • Representing the consortium formed by AXA IM and Swiss Life in their acquisition of Lyntia Networks, a leading wholesale operator in the Spanish telecommunications market and the only neutral provider operating both lit and dark fibre.
  • Advised KKR on its investment in 49% of Reintel, the leading dark fibre infrastructure operator in Spain, creating a strategic partnership with Red Eléctrica de España, the partly state-owned and listed Spanish corporation which operates the national electricity grid in Spain.
  • Advised Asterion Industrial Partners in its partnership with MS3, a provider of full fibre services to homes and businesses, to expand the company’s fiber network and create an emerging fiber platform in the North of England.
  • Advised Helios Towers plc in relation to the acquisition of Airtel’s passive infrastructure operating companies in Madagascar and Malawi and the potential acquisition of Airtel’s passive infrastructure assets in Chad and Gabon, together with related long term service contracts.*
  • Advised Groupe Bruxelles Lambert, the Belgium-based investment holding company, in its acquisition of a majority stake in Webhelp, one of the world’s leading call centre operators headquartered in Paris; Deal values Webhelp at €2.4bn (enterprise value), making the acquisition both the largest LBO transaction in France in 2019 and the first for Groupe Bruxelles Lambert.*

Social Infrastructure:

  • Advised Goldman Sachs on its investment in and financing of the acquisition of Urban Campus Group (UCG), a France-headquartered co-living and co-working real estate provider and management company.
  • Advised KKR in their investment into Dukes Education, a UK-based premium school operator.
  • Advised John Laing and KKR on John Laing’s agreement to acquire HICL Infrastructure PLC’s interest in four UK public-private partnership projects (the Oxford John Radcliffe Hospital PFI Project, the Queen’s Hospital PFI Project, the South Ayrshire Schools PFI Project and the Priority Schools Building Programme North East Batch) and a 37.5 per cent stake in the Hornsea II offshore transmission assets.

Transportation:

  • Advised KKR on its strategic control investment in Green Mobility Partners (GMP), aimed at creating a leading European rail leasing platform to meet growing demand for sustainable rail infrastructure across Europe.
  • Advised HBX Group (and its shareholders CCPIB, Cinven and EQT) on the establishment and launch of The Luxurist, the world’s first fully integrated luxury travel ecosystem.
  • Advised Blackstone on its agreement to acquire Safe Harbor Marinas, the largest marina and superyacht servicing business in the United States, from Sun Communities, Inc.
  • Advised KKR in the sale of European Locomotive Leasing, a leading pan-European provider of electric locomotive leasing solutions, to AXA Investment Managers – Real Assets and Crédit Agricole Assurances.*
  • Advised Spartan Acquisition Corp. III, a SPAC, in its $3.14 billion business combination with Allego Holding B.V., a leading pan-European electric vehicle charging network.*

Utilities:

  • Advised Asterion Industrial Partners (AIP) and the management team on their sale of Energy Assets Group (EAG), a UK-based utility infrastructure company involved in delivering utilities services (including gas, electricity, water and fibre) to end users, to Macquarie.
  • Advised KKR on its investment in Northumbrian Water, a UK water and waste-water services company controlled by CK Group.
  • Advised a private infrastructure fund in their bid to acquire Miya Water, a water concession company, from Bridgepoint (ultimately acquired by Antin).*
  • Advised a private infrastructure fund in their bid to acquire Urbaser S.A., a waste management / waste collection, from CNTY.

Power, renewables and sustainable energy:

  • Advised EQT in their acquisition of ju:niz energy, a battery storage company in Germany and the first investment of EQT out of their Transition Energy strategy.
  • Advised KKR on the agreement to launch a new power-to-X platform with IGNIS, a leading integrated global renewable group based in Spain, to develop green hydrogen and ammonia projects.
  • Representing Blue Earth Capital AG in their participation in Sense Labs, one of the leading companies in real-time home energy intelligence.
  • Advised KKR in connection with the investment, alongside OTPP, in Caruna Oy, Finland’s largest electricity distribution company. The transaction, which represented the second deal undertaken under KKR’s core infrastructure strategy, involved the acquisition of First Sentier Investors’ 40% stake in Caruna Oy as well as the separate acquisition of OMERS’ 40% stake.*
  • Advised a private infrastructure fund in their bid to acquire Adven, a district heating company in the Nordics, from Infracapital and AMP Capital.*

Oil & Gas:

  • Advised Asterion Industrial Partners on its acquisition of a 25% stake in FluxDune and, indirectly, an approximately 15% stake in Dunkerque LNG, France’s largest LNG receiving and regasification terminal facility and one of the largest in continental Europe.
  • Advised KKR on its acquisition of a minority stake in ADNOC Gas Pipeline Assets, which operates 38 gas pipelines and two export terminals in the United Arab Emirates.
  • Advised TPG and Oaktree Capital on the acquisition of Iona Energy company and the related financing, co-investment and management incentive arrangements.*
  • Advised a US private equity fund and its portfolio company on the bid to acquire petrol stations in Italy.*

Other:

  • Advised The Carlyle Group in its acquisition of a majority stake in Spain-based plywood manufacturer Garnica from Intermediate Capital Group (ICG) and certain shareholders.
  • Advised Cinven on its disposal of its stake in the Planasa group, a global leader in the agri-food sector, specializing in breeding the next generations of berry varieties, to EW Group.
  • Advised a US private equity sponsor on its bid to acquire, using vendor stapled debt, the Project Helix portfolio of Cypriot real estate backed corporate loans and other non-performing exposures from Bank of Cyprus.*
  • Advised a US private equity fund on the acquisition of a German building materials manufacturer and the related financing, co-investment and management incentive arrangements.*
  • Advised a US private equity fund in a joint venture and acquisition of real estate in France.*
  • Advised a US private equity fund and its portfolio company on the acquisition of a French building material company.*
  • Advised a US private equity fund on the acquisition of a building materials manufacturer and the related financing, co-investment and management incentive arrangements.*
  • Advised a US private equity fund on the IPO of a portfolio company.*
  • Advised a US private equity fund on the acquisition of a European bad bank.*
  • Advised a US private equity fund on the bid to acquire a leading European industrial group specialized in the design and manufacture of precast concrete products.*
  • Advised a US private equity fund on the acquisition of a US commercial carpet manufacturer, its related integration with another portfolio company and associated management incentive arrangements.*

Special Situations Transactions:*

  • Advised Deutsche Bank and EOS on the acquisition and financing of a loan portfolio secured on CRE in CEE.*
  • Advised Deutsche Bank on the financing of the acquisition of a loan portfolio in Spain.*
  • Advised Deutsche Bank and CarVal on the acquisition of the Project Forge CRE NPL portfolio and related financing.*
  • Advised Deutsche Bank in transactions to acquire various loan portfolios and related financings.*

Capital Markets Transactions:

  • Advised Obi Worldphone on several rounds of equity capital raising.*
  • Advised P2P Global Investments on equity and debt investments in several peer-to-peer lending platforms.*

Restructuring Transactions:

  • Advised Lion Capital in relation to the recapitalisation of one of its portfolio company, a Dutch frozen food producer.*
  • Advised Lion Capital in relation to the financial restructuring and recapitalisation of the Findus Group.*
  • Advised Findus Group in its private placement of senior notes.*
  • Advised the administrators of MF Global UK Limited on the sale of MF’s metals division to INTL FCStone.*

*Some of these representations occurred prior to Alice’s association with Gibson Dunn.

Publications:

Alice co-authored the “United Kingdom: Private Equity” chapter for Legal500’s Q&A series, providing a 21-question overview of private equity laws and regulations in the UK (2026).

Alice is an author of a chapter titled “The role of private equity in the energy transition” for Energy in the Middle East: From Black Gold to Green Horizons (2026).

Alice is a co-author of the Chambers chapter focused on Energy & Infrastructure M&A (2024).

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Lauren Richardson is an England & Wales qualified associate in the London office of Gibson Dunn and is a member of the firm’s Mergers and Acquisitions, and Private Equity Practice Groups.

Lauren has extensive experience advising on complex, multi‑jurisdictional corporate matters, including private equity, mergers and acquisitions, and joint ventures. Lauren has particular experience in the mining and natural resources sector, having successfully advised clients on several significant transactions. She also completed a ten-month secondment to Anglo American, the global multinational mining company, giving her a unique insight into the sector.

Prior to joining Gibson Dunn, Lauren worked in the London office of another major law firm.

Stephanie Chen is a litigation associate in the New York office of Gibson Dunn.

Stephanie received her J.D. from the New York University School of Law. During law school, she served as an Articles Editor of the New York University Law Review and was a judicial extern for the Honorable Hector Gonzalez of the U.S. District Court for the Eastern District of New York. Prior to law school, Stephanie received a B.S. and M.S., both in Computer Science, from Stanford University and worked as a software engineer.

Stephanie is admitted to practice in the States of New York and California.

Liel Azoolin is an associate in the New York office of Gibson, Dunn & Crutcher. She is a member of the firm’s Real Estate Practice Group. Liel advises clients on a broad range of real estate transactions, including construction and real estate finance, joint ventures, preferred equity investments, acquisitions and dispositions, and loan workouts and restructuring.

Liel’s experience includes representing:*

  • A sovereign wealth fund in the $6.9 billion financing for an acquisition of over 300 industrial assets. The financing included six separate loans for approximately $4.2 billion of proceeds in the aggregate.
  • JPMorgan Chase Bank, N.A. in the $455 million financing to affiliates of W.P. Carey in connection with the spin-off of its office real estate portfolio. 
  • JP Morgan Chase Bank, N.A. in the modification of a $1.195 billion senior loan originated for the development of the American Dream mall in New Jersey. 
  • MSD Partners in its $400 million fee acquisition of Four Seasons Hualalai resort, together with a related $235 million acquisition financing.

*Includes representations prior to Liel’s association with Gibson, Dunn & Crutcher.

Liel received her B.A. from the George Washington University and her J.D. from the University of Pennsylvania Law School. Before joining Gibson Dunn, Liel was an associate at another leading international law firm.  

Liel is admitted to practice in the State of New York.

Brian Rosenthal is a partner in the New York office of Gibson Dunn. He is a member of the Intellectual Property practice.

Brian is a trial lawyer with a particular emphasis on patent litigation. His patent litigation practice has spanned a wide range of technologies, with a concentration on computer software, electronics and medical devices.

Brian has litigated over 125 patent cases, most as lead counsel, handling all aspects of litigation from complaint to trial and appeal. He has led—and won—several jury trials and arbitrations. Brian has also argued and won several patent cases to the Court of Appeals for the Federal Circuit. He has represented such companies as Cisco, VMware, AT&T, Dell EMC, SharkNinja, NVIDIA, IBM, Plaid, Verizon, Daimler, Sprint, Rubrik, Sophos, WHOOP, Philips Electronics, Google, Gemalto, Nespresso, Acushnet, Elekta, NXP Semiconductors, ARM, Eurocopter and MicroStrategy.

Brian also has substantial experience handling Patent Office validity proceedings including inter partes review and post grant review petitions, most often in parallel with ongoing high-stakes litigation. His practice also includes strategic counseling and licensing related to intellectual property matters.

Consistently recognized as a leading patent lawyer, Brian’s awards and accolades reflect his skills and accomplishments. Most recently, Brian was recognized as an inaugural “Unrivaled 2025” honoree by Bloomberg Law and was the 2025 The National Law Journal “Winning Litigator – Defense.” Law360 recognized Brian in 2023 and 2025 as an Intellectual Property MVP, an award featuring lawyers who “have distinguished themselves from their peers by securing hard-earned successes in high-stakes litigation, complex global matters and record-breaking deals.” In 2024 and 2025, Managing IP named Brian Rosenthal as Intellectual Property – Litigator of the Year for New York at its annual Americas Awards event, recognizing the biggest achievements and developments in the IP sector over the past year. Brian was also named to BTI Consulting Group’s 2025 BTI Client Service All-Star list, which recognizes “the attorneys delivering the absolute best levels of client service.”  Chambers recognizes Brian as a leading attorney in New York for Intellectual Property: Patent, where he has been ranked in their USA guide since 2023. A Chambers respondent reported “Brian really owns the courtroom and has great long-term vision.” Brian was the exclusive recipient of Lexology’s 2019 Client Choice award for Patents in New York, an award determined solely by client input. In nominating him for the award, clients described him as an “outstanding lawyer” who is “business minded” and “strategic,” and one who is “extremely knowledgeable and thinks quickly on his feet.” Others noted that “Brian is an effective communicator; he explains complex issues, both technical and legal, in a way that is easy to understand yet comprehensive.” Earlier in his career, he was profiled as one of Law360’s 2014 Rising Stars: Top Attorneys Under 40 in the Intellectual Property category. Brian has been recognized by Super Lawyers annually, as a “Rising Star” from 2013-2015, and a “Super Lawyer” from 2016-2025. He has been named a “Leading Lawyer” in Patent Litigation and is recommended in Trade Secrets by The Legal 500 USA. Clients say, “Brian Rosenthal is very impressive. He is lead counsel and one of the best trial lawyers I’ve observed in court. Remarkably, he also knows the technical details of all the cases and works with his team to develop winning arguments.” In addition, he has also been recognized by IAM Patent 1000 as a leading patent lawyer 2017-2025, a “Litigation Star” by Benchmark Litigation, and named an “Patent Star” by Managing Intellectual Property magazine 2021-2025.

Brian graduated magna cum laude from Cornell Law School and received his B.Sc. Honours in Computer Science, with a minor in Economics, with distinction, from University of Western Ontario.

Notable Engagements:

  • VMware and Dell EMC: Lead trial counsel defending clients against plaintiff WSOU’s $435 million claim of infringement of three patents related to cloud computing. On third day of jury trial, won first ever directed verdict of non-infringement before Judge Albright in the Western District of Texas, leading to a complete defense victory.
  • Cisco: Lead trial counsel against plaintiff Corrigent’s $350 million claim of infringement of four patents related to computer networking. Won summary judgment on three of the four asserted patents before trial, reducing trial demand to $120 million. After all the evidence was in, won directed verdict of non-infringement, leading to complete defense victory. This was the third-ever such directed verdict before Judge Albright in the Western District of Texas. 
  • Cisco: Lead trial counsel against plaintiff WSOU’s infringement case on five computer networking patents in Western District of Texas. Successfully obtained dismissal with prejudice of three of the five asserted patents and summary judgment of a fourth before trial, reducing trial damages demand to $20 million. Won complete defense verdict of non-infringement, invalidity, and prior use on remaining patent after a one-hour jury deliberation. This marked the first known defense verdict on the prior use defense under 35 U.S.C. § 273(a) in the United States. 
  • Zhejiang Medicine Company and ZMC-USA: Lead trial counsel for ZMC against competitor Kaneka Corporation in 8-year patent infringement case involving dietary supplement coenzyme Q10. After two-week jury trial in Southern District of Texas, won verdict of non-infringement and complete victory.
  • Gemalto: Lead trial counsel for Gemalto as against Merchant Customer Exchange in week-long arbitration over breach of a mobile payment platform contract. Won all of our client’s requested relief: $45.8 million (including attorney fees), resulting in complete victory.
  • Changzhou Kaidi Electrical: Lead trial counsel for Changzhou Kaidi Electrical against Okin America involving claims of infringement of a linear actuator patent. After two-week jury trial in District of Maryland, won verdict of non-infringement and complete victory.
  • SharkNinja: Lead trial counsel representing SharkNinja in the ITC against chief competitor iRobot’s claims of infringement of five patents related to vacuum robots. Won Final Determination of no violation on four of the five patents, leading to an exclusion order that covers only a single obsolete feature of a discontinued product.
  • Verizon: Second-chair trial lawyer for Verizon in $845 million patent infringement claim by General Access. Obtained first-ever new trial on all issues for a defendant before Judge Gilstrap in the Eastern District of Texas. Argued and won IPR on lead patent the day before retrial began, leading to highly favorable settlement after the first day of the retrial.
  • Dell EMC: Represented Dell EMC against plaintiff ACQIS in $80M patent infringement case on 11 patents related to PCI Express in District of Massachusetts. Argued and won claim constructions across the board based on parallel IPRs, directly leading to summary judgment of non-infringement on all patents. Won exceptional case finding and attorneys’ fees award of $5 million, which was affirmed on appeal.
  • SharkNinja: Lead counsel for SharkNinja in wide-ranging set of cases against Dyson regarding hair care and vacuum patents. Dyson sought millions from our client related to a hair care patent and SharkNinja responded with its own cases including 5-patent ITC case and 8 patent District of Massachusetts case. Dyson counter-sued with 9 patent case in Eastern District of Texas. Served as global coordinating counsel of related litigations in Germany, France, UK, Singapore, Korea, Japan, Australia and China. Obtained very favorable settlement for our client on the eve of our ITC trial against Dyson.
  • Plaid: Lead counsel for Plaid in patent case in District of Utah.  Argued and won motion to dismiss for patent ineligibility, resulting in a complete victory for our client.
  • Google and Motorola: Represented Google and Motorola against BE Technology against its patent infringement claims involving cloud computing and targeted advertising. Led and argued inter partes review petitions invalidating all asserted claims of both asserted patents. Argued and won Federal Circuit appeal, resulting in complete victory.
  • Dell EMC: Lead counsel for Dell EMC in 8-patent case filed by WSOU asserting infringement of networking patents. Obtained dismissal of all eight patents before trial.
  • Philips: Represented Philips against Moddha Interactive in patent infringement and state law action. Dismissed all counts in District Court. Argued and won appeal to Federal Circuit, resulting in complete victory.
  • Cisco: Lead counsel for Cisco in five patent case filed by Lionra in Eastern District of Texas. Won summary judgment of non-infringement before trial.
  • SharkNinja: Lead counsel for SharkNinja in five-patent and false advertising litigation against competitor iRobot in district court. Argued and defeated iRobot’s preliminary injunction motion based on alleged infringement of three asserted patents, and successfully stayed and dismissed remaining patents.
  • StoneCastle: Represented StoneCastle Financial Corp. against Island IP’s claims of patent infringement and trade secret misappropriation. Won a motion to dismiss all five asserted patents as ineligible under 35 U.S.C. § 101.
  • Acushnet: Represented Acushnet against Callaway Golf in six-year litigation in which Callaway sought $246 million in damages for alleged infringement of four golf ball patents. Argued and won inter partes reexaminations invalidating all four patents. Won verdict of invalidity of all four patents after two jury trials, resulting in complete victory.
  • Gemalto: Lead counsel for Gemalto and its subsidiary against M2M Solutions in patent infringement claim related to two patents related to Machine-to-Machine communication. Argued and won key claim construction resulting in stipulation of non- infringement and dismissal of case.
  • Google: Represented Google against BriteSmart and Patrick Zuili against patent infringement claims that Google’s advertising systems infringed patents related to pay-per-click advertising systems. Filed and argued three Covered Business Method petitions before the Patent Trial and Appeal Board resulting in Final Written Decisions invalidating all asserted claims of all three patents.
  • Gemalto: Lead counsel for Gemalto against KPN in patent infringement claim related to error detection in cellular communication standards. Argued and won judgment on the pleadings before ultimately settling the case on favorable terms.
  • Gemalto: Lead counsel for Gemalto as third party in Court of Federal Claims patent litigation by SPA Syspatronic. Argued and won invalidity of key claims as indefinite, leading to favorable settlement.
  • Google: Represented Google against buySAFE in its claim of infringement of an eCommerce patent. Invalidated buySAFE’s patent under 35 U.S.C. § 101. Obtained affirmance from Federal Circuit in precedential opinion.
  • ARM: Represented ARM against Nazomi’s claim of infringement of patents related to Java acceleration of microprocessors. Obtained summary judgment of non-infringement, which was affirmed by the Federal Circuit. 
  • Rubrik: Represented Rubrik against competitor Actifio’s patent infringement lawsuit in which Actifio asserted four patents related to data backup technologies. After Actifio filed preliminary injunction motion, deposed Actifio’s expert, directly leading to Actifio dropping the preliminary injunction motion and dismissing the case.
  • AT&T: Represented AT&T in complex patent infringement case in which plaintiff Sol IP asserted 27 patents against LTE and WiFi technologies. Case settled favorably.
  • Dell: Lead counsel for Dell in four patent case filed by Corrigent in District of Delaware. Successfully dismissed two patents pre-trial.  Obtained stay of remaining two patents pending appeal of companion case, which we won for a different client.
  • Sophos: Lead counsel for Sophos in 20-patent case against Webroot and OpenText pending in Western District of Texas. Obtained significant case-narrowing order from Judge Gilliland, immediately followed by favorable settlement.
  • NVIDIA: Lead counsel for NVIDIA in three patent infringement case filed by Neural AI, pending in the Western District of Texas.
  • IBM: Lead counsel for IBM in six-patent case filed by NovaCloud pending in Eastern District of Texas.
  • Confidential Arbitration: Lead counsel in $50M international arbitration related to computer networking patents, culminating in week-long hearing in New York. After hearing, our client won near-complete victory, awarding substantially less than $1 million to the Complainant.

Michael Holecek is a litigation partner in Gibson Dunn’s Los Angeles office, where he handles high profile, bet-the-company lawsuits, arbitrations, and appeals. Companies in the gig economy, technology, and healthcare industries hire Michael when regulators or class action plaintiffs threaten to disrupt a company’s business model or impose billions of dollars in liability. Michael is lead counsel in the People of California’s lawsuit seeking to reclassify over one million gig workers, an enforcement action by the City of Chicago seeking penalties and restitution for allegedly deceptive consumer practices, numerous putative class actions and mass actions against Amazon and UnitedHealth, and an MDL class action in the Southern District of Florida arising out of the FTX collapse.

Michael is the go-to lawyer for enforcing arbitration agreements and defending against novel “mass arbitrations.” He has successfully litigated dozens of motions to compel arbitration and class action waivers in California, New York, Florida, Illinois, and other states. In 2023, Michael presented to the ABA National Class Actions Conference on arbitration agreements, class action waivers, and mass arbitration.

Michael is also a nationally recognized expert in worker classification – including independent-contractor misclassification litigation, the Federal Labor Standards Act (“FLSA”), California’s Private Attorneys General Act (“PAGA”), class action employment lawsuits, and lawsuits against staffing agencies and gig economy platforms. 

Michael was recognized in The Best Lawyers in America® 2022 Ones to Watch in Mass Tort Litigation / Class Action.

Consumer class actions and regulatory actions

  • Lead counsel for DoorDash in the City of Chicago’s enforcement action seeking restitution and penalties for allegedly false advertising, misleading menu pricing, deceptive promotions, and tipping practices.
  • Defending Sunrise Assisted Living in a consumer class action alleging inadequate staffing and false advertising.
  • Defeated a putative, nationwide class action brought by dozens of plaintiffs alleging fraud and breach-of-warranty claims against Yamaha.
  • Overturned a $173 million penalty by the California Department of Insurance against a UnitedHealth subsidiary.

Labor and employment and gig economy

  • Defended DoorDash in a series of putative class actions, PAGA actions, and FLSA actions pending in California state and federal courts, asserting that DoorDash has misclassified delivery drivers as independent contractors.
  • Defended Big 4 accounting firm against multiple nationwide wage-and-hour class actions and FLSA actions.
  • Defended staffing agency in California class action; obtained dismissal of claims without prejudice and then reached favorable classwide settlement.
  • Representing Uber, DoorDash, and Grubhub in high profile lawsuits against the City of New York regarding unconstitutional laws that cap commission rates, set minimum wages for independent contractor delivery drivers, and force companies to disclose private consumer data.
  • Presented CLE course on “PAGA and the Gig Economy” at the 2022 Employment Practices Liability Insurance conference.
  • Presented CLE course titled “Independent Contractor Classification” in 2022.
  • Presented CLE course titled “Is Antitrust Becoming HR’s Biggest Headache?” in 2022.

Appeals

  • Prevailed in several cases that enforced OptumRx’s arbitration agreements, including Copper Bend Pharmacy v. OptumRx (Illinois Appellate Court 2023) (Michael argued), and JC Resources v.OptumRx (Florida Court of Appeals 2023) (Michael argued).
  • Facebook, Inc. v. Superior Court (Cal. Supreme Ct. 2018): Unanimous ruling holding that the Stored Communications Act safeguards private social-media communications, even if they are posted or shared with a large group friends or followers.
  • Kramer v. Toyota Motor Corporation (9th Cir. 2016): Unanimous decision affirming summary judgment for auto manufacturer in alleged product-defect class-action lawsuit.
  • Daimler AG v. Bauman (U.S. Supreme Court 2014): Unanimous decision reversing the Ninth Circuit and holding that it violates due process to exercise general personal jurisdiction over a foreign corporation based on the in-State activities of a corporate subsidiary.
  • The Standard Fire Insurance Co. v. Knowles (U.S. Supreme Court 2013): Unanimous decision rejecting a putative class representative’s attempt to evade federal jurisdiction under the Class Action Fairness Act by use of a stipulation purporting to limit classwide damages.
  • Hollingsworth v. Perry (U.S. Supreme Court 2013): Landmark decision holding that proponents of California’s ban on same-sex marriage did not have standing to appeal the district court’s order invalidating the ban.

Recent publications

Michael serves on the Board of Directors of Family Violence Appellate Project, a nonprofit organization dedicated to providing free legal representation to domestic violence survivors. In 2017, Michael was selected by the Carl & Roberta Deutsch Foundation as a HALO Award winner for his work on behalf of domestic-violence survivors. He was also honored as a winner of Gibson Dunn’s Frank Wheat Memorial Award for his commitment to pro bono work.

He earned his law degree with high honors from the University of Chicago Law School in 2011. While at Chicago, he was a member of the University of Chicago Law Review. Michael was runner-up in the Hinton Moot Court Competition and winner of the Karl Llewellyn Cup and the Thomas R. Mulroy Award for Excellence in Appellate Advocacy. He was a Kirkland & Ellis Scholar and was elected to the Order of the Coif.

Michael graduated magna cum laude from Rollins College in 2001 with a bachelor’s degree in Political Science and a minor in Fine Art. Before attending law school, he founded and served as Managing Director of ERA Real Estate, the second largest residential real estate network in the Czech Republic.

He is admitted to practice in the State of California and the State of Florida.

Ester Cross is an associate in the Washington, D.C., office of Gibson Dunn. She practices in the firm’s Litigation Department.

Before joining Gibson Dunn, Ester clerked for the Honorable Michael B. Brennan of the United States Court of Appeals for the Seventh Circuit.

Ester earned her J.D. with honors from the University of Chicago Law School, where she received a Kirkland & Ellis Leadership Award. She holds a DPhil in Comparative International Politics from the University of Oxford. And she graduated cum laude from Dartmouth College, where she studied government and French.

She is admitted to practice law in the District of Columbia.

Kavita Davis is a partner in the London office of Gibson, Dunn and Crutcher. Kavita is a member of the Finance Practice Group and focuses on cross-border debt finance matters. She has significant experience in advising on leveraged buyouts representing sponsors, including sponsors focusing on infrastructure transactions.

Kavita received her B.A., LL.B. (Hons) from The W.B. National University of Juridical Sciences. She is admitted to practice in England and Wales.

Selected experience* :

  • RedBird IMI on the financing for its £1.15bn acquisition of All3Media, a leading global independent TV and film production, digital, and distribution group headquartered in the UK.
  • Blackrock in connection with the financing for their acquisition of a minority stake in Saudi Bahrain Pipeline Company from Bapco Energies.
  • KKR in connection with multiple financings, including for its acquisitions of Viridor, Hyperoptic, Refresco, a stake in Telenor’s fibre optic business and a stake in Reintel, the leading dark fibre infrastructure operator in Spain.
  • KKR in connection with its financings for Master Distancia and CMC Machinery.
  • BlackRock in connection with the financing for its acquisition of a stake in Aramco Oil Pipelines.
  • BlackRock and KKR in connection with the financing for their acquisition of a stake in ADNOC Oil Pipelines.
  • Global Technical Realty in connection with the financing of their inaugural data center project.
  • Blackstone in connection with multiple financings, including for its acquisitions of Cirsa Gaming, Schenck Process and CRH Europe Distribution business. 
  • Q-Park in connection with its super senior revolving credit facility.
  • Logicor in connection with its revolving credit facilities.

*Some of these representations occurred prior to Kavita’s association with Gibson Dunn.

Publications

Kavita co-authored the “United Kingdom: Private Equity” chapter for Legal500’s Q&A series, providing a 21-question overview of private equity laws and regulations in the UK (2026). (2026).

Khalil Bryant is an associate in the Houston office of Gibson Dunn. He is a member of the Mergers and Acquisitions and Private Equity Practice Groups. Khalil focuses his practice on mergers and acquisitions, dispositions, joint ventures, and equity offerings.

Khalil has been recognized by The National Black Lawyers as a “Top 40 under 40” Black attorney in the State of Texas (2024–2026).

Khalil earned his Juris Doctor with a Law and Business Certificate from Vanderbilt Law School, where he served in various leadership roles including President of the Black Law Students Association and was honored by The American College of Bankruptcy as the Distinguished Law Student for the Sixth Circuit in 2022. Khalil graduated from Princeton University in 2018 with a Bachelor of Arts degree in Politics, specializing in Political Theory. At Princeton, he was a four-year varsity letterman and defensive lineman on the football team, and was inducted into the National Football Foundation Hampshire Honor Society for excellence in athletics and academics.

Prior to joining Gibson Dunn, Khalil was an associate in the Houston office of another major international law firm as a member of the Mergers and Acquisitions, Private Equity, and Digital Assets and Blockchain Practice Groups.

Khalil is admitted to practice in the State of Texas.

Garrett Coleman is a litigation associate in the New York office of Gibson Dunn.

Garrett earned his Juris Doctor from the University of Virginia School of Law, where he served on the Editorial Board of the Virginia Law Review. While in law school, he also served as the Managing Editor of the Virginia Law Weekly. He received his Bachelor of Arts, summa cum laude, from Boston College, where he was a member of Phi Beta Kappa.

Garrett is admitted to practice in the State of New York.

Zuzanna Bobowiec is an associate in the Brussels office of Gibson Dunn, having joined the firm as a trainee in 2020 and as an associate in 2022 after completing an LL.M. in European Law at the College of Europe in between. She is a member of the firm’s Antitrust and Competition Practice Group.

Zuzanna’s practice covers all areas of competition law. She also advises on digital regulation, such as the Digital Services Act, with a particular focus on the interplay between these new regimes and established principles of EU law. She has advised clients in sectors including technology markets, cloud computing, and online advertising.

Zuzanna holds an LL.B. in English Law from King’s College London and is qualified as a Solicitor of England and Wales.

Zuzanna speaks English, Polish, and French.

Benjamin B. Wagner is a partner in Gibson Dunn’s Palo Alto office, and is a member of the firm’s White Collar Defense and Investigations, False Claims Act, FCPA, Cybersecurity, FDA and Health Care, Securities Enforcement, Litigation, and Anti-Money Laundering Practice Groups. Ben’s practice focuses on the representation of clients in government investigations, internal investigations including workplace misconduct issues, compliance reviews, and litigation involving federal, state and local agencies including the U.S. Department of Justice, SEC, FTC, and State Attorneys General. An experienced trial and appellate attorney, he has tried 18 felony criminal cases in federal court, and argued multiple appeals in the Ninth Circuit and the Fifth Circuit. 

Ben is a Chambers-ranked attorney in White Collar Crime and Investigations (2018-2025). A client described him to Chambers as “the person to turn to when high-level help is needed.” In 2018, Ben received a Champion of Educational Justice Award from California Rural Legal Assistance, Inc. for his pro bono work on a civil rights case involving disciplinary practices in Modesto City schools. He received a California Lawyer Attorney of the Year “CLAY” award from California Lawyer Magazine, and the Daily Journal named him as one of the Top 100 Lawyers in California. As an Assistant U.S. Attorney, he received the Executive Office of U.S. Attorneys Director’s Award for Superior Performance three times, for cases involving health care fraud, money laundering, and domestic terrorism, and a Meritorious Honor Award from the U.S. Department of State.

Prior to joining Gibson Dunn, Ben served as United States Attorney for the Eastern District of California from November 2009 through April 2016. Appointed by President Obama, he oversaw the district’s three offices and 175 employees, covering over half the area of California. During his tenure, he was appointed by Attorney General Eric Holder to the Attorney General’s Advisory Committee, where he served for three years, working with Department leadership on national law enforcement policy. He was also appointed by Attorney General Loretta Lynch to serve as Co-Chair of the White Collar Crime Subcommittee. As U.S. Attorney, Ben oversaw investigations leading to multi-billion dollar settlements with two national financial institutions, and numerous investigations under the False Claims Act in the health care, defense and education industries that led to record FCA recoveries in the district. Ben served as an Assistant U.S. Attorney and as Chief of the Special Prosecutions Unit in the Eastern District between 1992 and 2009, handling investigations, trials and appeals in cases involving financial fraud, tax evasion, health care fraud, money laundering, domestic terrorism, public corruption, and other offenses. He also served as a national security prosecutor, held a security clearance and supervised investigations and prosecutions involving cyber intrusions, hacking and cyber espionage.

Ben earned his Juris Doctor in 1986 from New York University School of Law, where he was Managing Editor of the Journal of International Law and Politics. He received his undergraduate degree in 1982 from Dartmouth College. He is a member of the Board of Trustees of Robert College of Istanbul, Turkey. He is admitted to practice in California and New York.

A sample of Ben’s representative matters include the following:

  • Defended a public technology company in the course of a two-year federal grand jury investigation, successfully obtaining a full declination.
  • Defended another public technology company in connection with an SEC investigation of alleged misrepresentations related to product performance, successfully obtaining a no-action letter.
  • Represented a major energy company in negotiating a national agreement with the U.S. Department of Justice, resolving a three-year grand jury investigation into alleged environmental crimes.
  • Defended a pharmaceutical company in a nationwide False Claims Act investigation by the U.S. Department of Justice relating to claimed off-label marketing and violations of the Anti-Kickback Statute, successfully obtaining a declination and dismissal of the complaint.
  • Represented a witness who testified at two trials on behalf of a major investor victim in the prosecution of Elizabeth Holmes and Sunny Balwani, former Theranos Executives.
  • Successfully negotiated a civil settlement on behalf of a technology company following a three year investigation by the California Attorney General’s Office into compliance with state regulations.
  • Served as principal author in joint appellate briefs to the Ninth Circuit leading to the reversal of mail fraud convictions for six defendants.
  • Represented a national environmental services company in connection with a U.S. Department of Justice investigation into compliance issues at an acquired business.
  • Represented civil RICO plaintiffs in the Northern District of California, securing a $14.6 million judgment.
  • Represented a large public technology company in litigation with the U.S. Department of Justice over the scope of the Wiretap Act, and on appeal.
  • Represented the CEO of a public company in connection with an insider trading investigation by the U.S. Department of Justice and the SEC.
  • Conducted an internal investigation for the Audit Committee of a technology company into allegations of workplace misconduct by a co-founder.
  • Defended a real estate company in a civil case in California state court seeking $200 million in damages arising out of a shareholder dispute, successfully winning a full dismissal of the case.
  • Conducted an internal investigation for the Audit Committee of a manufacturer of sophisticated testing equipment into alleged violations of export controls laws. 
  • Conducted an internal investigation for the Audit Committee of a multinational technology company into whistleblower allegations of financial improprieties by corporate officers.
  • Retained by the California Legislative Counsel Bureau to conduct multiple independent investigations of allegations of sexual harassment and other workplace misconduct by Members and senior staff of the State Senate and Assembly.
  • Conducted an FCPA review of transactions in Latin America for a global hardware distribution company.
  • Defended an industrial services company in a False Claims Act and civil RICO case in the Northern District of California, secured a full dismissal with prejudice.
  • Represented a business executive charged with wire fraud in a federal prosecution and in an appeal to the Fifth Circuit Court of Appeals.

Recent Publications and Speaking Engagements Include:

  • Panelist, “Truth, Lies and Consequences: Trial Lessons Learned from the Theranos and Elizabeth Holmes cases,” Association of Business Trial Lawyers webcast, San Francisco, January 25, 2022
  • Co-Author, “The Evolution of Privacy Enforcement in California – CPRA and the CA Attorney General’s Office,” The Recorder, January 22, 2021

Philipp Baschenhof is an associate in the Brussels office of Gibson Dunn and a member of the firm’s Antitrust and Competition practice group.

Philipp’s practice covers all areas of EU and UK competition law, merger control, foreign investment & national security, as well as regulatory matters in the technology space.

Prior to joining Gibson Dunn, Philipp practiced at a peer firm in Brussels and worked at the UK Competition and Markets Authority (CMA) in London as a legal intern.

Admitted to the Roll of Solicitors in England & Wales and in Ireland, Philipp is registered on the Brussels Bar EU list. He holds a Bachelor of Laws in Law from University College London (UCL) and a Master of Laws in Competition, Innovation and Information Law from New York University (NYU) School of Law. While at NYU, Philipp was awarded the Betty Bock Prize in Competition Policy for excellence in the area of antitrust and competition law.

Philipp speaks fluent English, German and Russian and is proficient in Spanish.

Sarah-Jane Lorenzo is an associate in the Washington, D.C. office of Gibson Dunn. Sarah-Jane focuses her practice on regulatory compliance matters, government contracts, and related litigation. Sarah-Jane regularly assists government contractors and subcontractors with matters including Government Accountability Office and Court of Federal Claims bid protests, government and internal investigations, contractor disclosures, questions of statutory and regulatory interpretation, and contract disputes. Sarah-Jane represents clients before a broad range of federal regulators, including the Small Business Administration (SBA) and Federal Acquisition Security Council (FASC), and helps clients make whistleblower reports to state and federal government agencies. She also advises clients on state and federal Freedom of Information Act requests and reverse-FOIA petitions.

Sarah-Jane earned her J.D. from the University of Virginia School of Law, where she was an editor of the Virginia Journal of International Law. She is admitted to practice law in Ohio and the District of Columbia.

Jacqueline Liu Sesia is a senior litigation associate in the Los Angeles office of Gibson Dunn.  Her practice focuses on antitrust & competition litigation, merger clearance, and government investigations as well as leading high-stakes, complex litigation.  She frequently represents clients in the technology, financial services, healthcare, and oil and gas industries and has significant experience advocating for clients before regulators and courts.  Jacqueline has successfully represented clients before regulators resulting in no-action from antitrust enforcers as well as securing dismissals at various stages of litigation: on the pleadings, summary judgment, and trial.   She has also successfully counseled clients through complex discovery issues. 

Representative antitrust matters:

  • Represented a leading technology company in high-profile antitrust lawsuit in the Northern District of California in 2024.  Key member of trial team, taking a senior executive through trial and key member of discovery team that handled complex e-discovery.  Currently representing the company in several related cases, including class actions and multi-district litigation.
  • Represented a leading pharmaceutical company in an antitrust opt-out case from a high profile multi-district litigation.  Key member of the team, including first-chairing depositions. 
  • Represented Pioneer Natural Resources in securing the FTC’s clearance of ExxonMobil’s $64.5 billion acquisition of Pioneer, which created the largest oil and gas producer in the Permian Basin
  • Represented Amazon in securing the FTC’s unconditional clearance of Amazon’s acquisition of One Medical
  • Represented a US technology company in a DOJ Antitrust Division criminal international leniency application in front of four regulators*
  • Represented two industrial executives in a criminal price-fixing investigation by the DOJ, Antitrust Division resulting in no-action*
  • Represented a US media company in a criminal bid-rigging investigation by the DOJ, Antitrust Division, resulting in no-action*
  • Represented a US executive in a criminal no-poach investigation by the DOJ, Antitrust Division*

Jacqueline also maintains an active pro bono practice, including securing immigration relief for a client on an unprecedented appellate brief before the USCIS Administrative Appeals Office.

Jacqueline earned her law degree in 2018 from the University of Chicago Law School. She received a Bachelor of Arts in Political Science with honors in 2014 from the University of California, Berkeley.  She is a member of the State Bar of California and is admitted to practice before the United States District Court for Northern California.  Jacqueline has counseled clients in multiple jurisdictions, and speaks English and Mandarin.

*Includes matters handled prior to joining Gibson Dunn.