John Thornburgh focuses on patent litigation and appeals, especially computer- and medical device-related cases. He regularly manages cases for clients large and small, providing guidance, strategy, and advocacy.

John has significant experience managing cases, serving as primary client contact, seeking and opposing summary judgment, arguing in court, taking and defending depositions (including from inventors and experts), examining witnesses at trial, participating in alternative dispute resolution, negotiating and drafting settlement agreements and licenses, and handling appeals.

He has delivered victories in numerous "make or break" cases, achieved billion-dollar-plus wins for clients, and played a critical role in precedent-setting cases establishing new standards for patent damages.

John has represented clients in all Districts in California, the Eastern District of Texas, the Eastern District of Virginia, and the District of Delaware. His practice also extends to international disputes. John has appeared for clients before the International Trade Commission, conducted depositions abroad, served overseas clients, and worked for a year at a law firm in Paris.

Professional associations

  • Fellow, Litigation Counsel of America