Will Feldman is a senior associate in the San Francisco office of Gibson Dunn and is a member of the Firm’s Antitrust & Competition, Appellate & Constitutional Law, and Intellectual Property Practice Groups.
Will has represented clients in a wide range of antitrust, appellate, and intellectual property matters. These have included civil litigations under Sections 1 and 2 of the Sherman Act before district and appellate courts, antitrust cases brought by state attorneys general, and federal antitrust investigations. Will has also represented numerous clients in patent and copyright actions.
Recent representative matters include:
- Secured dismissal of a putative nationwide class action filed in the Northern District of California under Section 1 of the Sherman Act; the Ninth Circuit unanimously affirmed the dismissal.
- Secured dismissal for a client from two civil antitrust cases with no damages or admission of liability, while simultaneously resolving a federal antitrust investigative demand without admission of wrongdoing.
- Representing a heavy-duty truck manufacturer in litigation seeking to clarify emissions obligations under California law following federal statutory revocation of California’s mobile source requirements. Secured a preliminary injunction against the California Air Resources Board and state officials, halting enforcement of California’s “Clean Truck Partnership” as preempted by federal law. Daimler Truck North America LLC et al. v. California Air Resources Board et al. (E.D. Cal. 2025).
- Representing a major software and services company in an ongoing trade secrets and antitrust dispute.
Will also maintains an active pro bono practice, including securing a complete, eve-of-trial victory for a client in a federal Hague Convention case on behalf of a domestic violence victim and her children. He is currently representing a recently incarcerated individual in an ongoing Eighth Amendment case.
Before joining the Firm, Will served as a law clerk to the Honorable William J. Nardini of the U.S. Court of Appeals for the Second Circuit, and to the Honorable F. Dennis Saylor IV of the U.S. District Court for the District of Massachusetts. He also worked as an associate for an international law firm in New York and San Francisco. Prior to practicing law, Will worked at Morgan Stanley. He received his law degree cum laude from Harvard Law School, and graduated from Yale University with a Bachelor of Arts in Economics.
Will is a member of the New York and California bars, and is admitted to practice before the U.S. Court of Appeals for the Ninth and Federal Circuits, as well as the U.S. District Court for the Northern District of California.
Capabilities
- Antitrust and Competition
- Appellate and Constitutional Law
- Class Actions
- Intellectual Property
- Litigation
- Trials
Credentials
Education:
- Harvard University - 2019 Juris Doctor
- Yale University - 2014 Bachelor of Arts
Admissions:
- California Bar
- New York Bar
Clerkships:
- US Court of Appeals, 2nd Circuit, Hon. William Nardini, 2022 - 2023
- USDC, Massachusetts, Hon. F. Dennis Saylor IV, 2019 - 2020