Orange County

Gibson, Dunn & Crutcher’s Orange County office advises a diverse group of local, U.S. and international clients across a full spectrum of practice areas, including all manner of corporate transactions, restructuring, real estate, complex litigation, tax, securities and regulatory matters.

The Orange County office was founded in 1964 to meet the needs of a major land developer client, becoming the fourth location for Gibson Dunn.  In the early years, our lawyers worked out of a trailer on a vast tract of land known as the Irvine Ranch.  Today our Orange County office in Irvine, California, offers a full range of legal services provided by more than 80 lawyers.  As one of Gibson Dunn’s 20 offices, it is the largest of any international law firm in Orange County, allowing us to provide comprehensive client services in Southern California, across the United States and worldwide.


3161 Michelson Drive, Irvine, CA 92612-4412 USA

Tel: +1 949.451.3800

Fax: +1 949.451.4220


Flynn, Michael E.

Tel: +1 949.451.4054

From technology to health care, medical devices to semiconductors, real estate development to energy, we represent both privately held and publicly traded clients in a wide range of industries.

Gibson Dunn is home to Orange County’s largest group of litigators, with the experience to handle the most significant and protracted disputes.  Our Orange County litigators are an integral part of Gibson Dunn’s well-known global litigation practice.  In recognition of its achievements, The American Lawyer named Gibson Dunn its 2020 Litigation Department of the Year, an unprecedented achievement as the firm’s fourth win in the last six years of the publication’s biennial “Litigation Department of the Year” competitions and the sixth time in a row the firm has been a finalist.

Our trial and appellate lawyers handle all types of business litigation in local courts and throughout the United States.  Cases include commercial, intellectual property, antitrust, securities, labor and employment, and environmental matters.  Our litigators are also widely experienced in handling arbitrations, mediations and other alternative dispute resolution proceedings.  They are an integral part of the local bench and bar and know how to effectively litigate our clients’ most important matters.

The team in Orange County has wide-ranging expertise in mergers and acquisitions, securities, corporate finance, crisis management and tax matters.  Our transactional lawyers routinely advise on complex U.S. and international matters.  They represent public and private buyers and sellers as well as investment banks in all aspects of M&A transactions, both negotiated and hostile.  They additionally represent issuers and underwriters in public offerings and private securities placements.  Our noted securities regulation lawyers advise a range of public companies on reporting and other obligations, U.S. Securities and Exchange Commission matters and investigations, corporate compliance programs and corporate governance.

Our tax lawyers represent clients engaged in complex business transactions and taxpayers involved in disputes with the U.S. Internal Revenue Service and other taxing authorities.  With a focus on problem-solving, we represent both creditors and debtors in various stages of U.S. and international bankruptcy proceedings.  We counsel creditors and financially troubled companies regarding workouts and reorganization through the bankruptcy courts.

  • U.S. News – Best Lawyers® “Best Law Firms” 2015 named Gibson Dunn a Tier 1 firm in Orange County for Bankruptcy and Creditor Debtor Rights/Insolvency and Reorganization Law; Commercial Litigation; Criminal Defense: White-Collar; Environmental Law; Litigation: Antitrust, Bankruptcy, Intellectual Property; Mass Tort Litigation/Class Actions – Defendants.
  • Benchmark Litigation 2015 recognized two Orange County partners as State Litigation Stars. At its 2015 U.S. Awards dinner the publication named Gibson Dunn California Litigation Firm of the Year.
  • The Best Lawyers in America© 2015 recognized two Orange County partners as “Lawyer of the Year” in the areas of Litigation – Patent, and Creditor Debtor Rights/Insolvency and Reorganization Law. Additionally, 11 Orange County partners were named among 2015 leading lawyers in their respective practice areas.
  • The Legal 500United States 2014 named an Orange County partner a Leading Lawyer in the category of Domestic Tax: West Coast.
  • The Daily Journal named an Orange County partner to its 2015 list of California’s Top 75 Intellectual Property Litigators, featuring lawyers whose work “helped to advance technological innovation or transform the law.”
  • The Daily Journal named an Orange County partner to its 2014 list of California’s Top 75 Labor & Employment Lawyers, featuring lawyers whose work has “a broad impact on the legal community, the nation and society.”
  • Two Orange County partners are Fellows of the American College of Trial Lawyers. Invitation to fellowship is extended to those experienced trial lawyers who have mastered the art of advocacy and whose professional careers have been marked by the highest standards of ethical conduct, professionalism, civility and collegiality.