David M. Fox is a litigation associate in the San Francisco office of Wilson Sonsini Goodrich & Rosati, where his practice focuses on resolving clients’ high-stakes and complex disputes at the intersection of intellectual property, artificial intelligence, and emerging issues in internet law. David represents clients across a wide range of technologies and industries, including consumer electronics, pharmaceutical products, and fintech.
David has represented Google, Samsung, TikTok, and other Fortune 100 companies in both federal and state court. He also maintains a robust pro bono practice that includes representing the “small guy” when others won’t. David’s previous experience founding a national nonprofit organization, coupled with his time in private practice and a federal clerkship, gives him valuable insight into obtaining favorable results for clients in and out of court.
Prior to joining the firm, David served as a law clerk to the Honorable Judge Consuelo Callahan of the U.S. Court of Appeals for the Ninth Circuit. Before his clerkship, he was a litigation associate at Paul Hastings LLP, where he focused on patent and trade secret litigation.
David M. Fox is a litigation associate in the San Francisco office of Wilson Sonsini Goodrich & Rosati, where his practice focuses on resolving clients’ high-stakes and complex disputes at the intersection of intellectual property, artificial intelligence, and emerging issues in internet law. David represents clients across a wide range of technologies and industries, including consumer electronics, pharmaceutical products, and fintech.
David has represented Google, Samsung, TikTok, and other Fortune 100 companies in both federal and state court. He also maintains a robust pro bono practice that includes representing the “small guy” when others won’t. David’s previous experience founding a national nonprofit organization, coupled with his time in private practice and a federal clerkship, gives him valuable insight into obtaining favorable results for clients in and out of court.
Prior to joining the firm, David served as a law clerk to the Honorable Judge Consuelo Callahan of the U.S. Court of Appeals for the Ninth Circuit. Before his clerkship, he was a litigation associate at Paul Hastings LLP, where he focused on patent and trade secret litigation.
- J.D., UC Davis School of Law
Articles Editor, UC Davis Law Review; Articles Selection Editor, UC Davis Business Law Journal; Certificate in Intellectual Property
- B.A., Philosophy, Washington University in St. Louis
- State Bar of California
- U.S. District Court for the Northern District of California
- U.S. Court of Appeals for the Ninth Circuit
- U.S. Court of Appeals for the Federal Circuit
- J.D., UC Davis School of Law
Articles Editor, UC Davis Law Review; Articles Selection Editor, UC Davis Business Law Journal; Certificate in Intellectual Property
- B.A., Philosophy, Washington University in St. Louis
- State Bar of California
- U.S. District Court for the Northern District of California
- U.S. Court of Appeals for the Ninth Circuit
- U.S. Court of Appeals for the Federal Circuit
Select Matters
Representative matters include:
- Defended Google in a patent litigation matter that challenged Google’s internet calling technology*
- Secured an arbitral award of over $40 million for Daiichi Sankyo that was challenged in federal court*
- Won attorneys’ fees for a fintech start-up against a multinational bank*
- Defended Samsung in a patent litigation action attacking Samsung’s hand gesture technology*
*Denotes experience at another firm prior to joining Wilson Sonsini in October 2025.
Select Matters
Representative matters include:
- Defended Google in a patent litigation matter that challenged Google’s internet calling technology*
- Secured an arbitral award of over $40 million for Daiichi Sankyo that was challenged in federal court*
- Won attorneys’ fees for a fintech start-up against a multinational bank*
- Defended Samsung in a patent litigation action attacking Samsung’s hand gesture technology*
*Denotes experience at another firm prior to joining Wilson Sonsini in October 2025.
Select Publications
- Co-author with Chris Kennerly, “Two Ways High Court Could Reshape Patent Assignor Estoppel,” Law360, April 15, 2021
- “Technology Transfer & the TRIPS Agreement: Are Developed Countries Meeting Their End of the Bargain?” 10(1) Hastings Science and Technology Journal, 2019
- “The Differential Undercount: When Government Disclosures of Census Data Undermine Constitutional Guarantees,” 18 Connecticut Public Interest Law Journal 133, 2019
- “Breaking the Geographic Barrier: Removing Residency Requirements from California Public School Enrollment,” 53 UC Davis Law Review 299, 2019 (Online)
Select Publications
- Co-author with Chris Kennerly, “Two Ways High Court Could Reshape Patent Assignor Estoppel,” Law360, April 15, 2021
- “Technology Transfer & the TRIPS Agreement: Are Developed Countries Meeting Their End of the Bargain?” 10(1) Hastings Science and Technology Journal, 2019
- “The Differential Undercount: When Government Disclosures of Census Data Undermine Constitutional Guarantees,” 18 Connecticut Public Interest Law Journal 133, 2019
- “Breaking the Geographic Barrier: Removing Residency Requirements from California Public School Enrollment,” 53 UC Davis Law Review 299, 2019 (Online)
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