Peter Root is a retired partner whose practice focused on complex business and commercial litigation with an emphasis on intellectual property and technology matters.

As both trial and appellate counsel, Mr. Root has handled a wide variety of civil litigation matters in federal and state court, including patent infringement and other intellectual property disputes, securities class and mass actions, shareholder derivative, unfair competition and fiduciary litigation. Mr. Root's experience also includes conducting internal investigations on behalf of management and audit committees of public companies, and representing clients in governmental and regulatory investigations. Mr. Root also counseled clients on compliance, governance practices, and litigation avoidance strategies.

Prior to joining the firm, Mr. Root was an Associate General Counsel of litigation at Affymetrix, Inc., a biotech company in Silicon Valley, where he and other members of the in-house litigation team directly handled intellectual property and securities litigation matters. Earlier in his career, Mr. Root served as a Special Assistant District Attorney for the San Francisco District Attorney's Office and as a Judicial Clerk for the Honorable John T. Noonan, Jr., Circuit Judge for the United States Court of Appeals of the Ninth Circuit.

Mr. Root was a commissioned officer in the United States Navy before entering the legal profession, where he served as the Commander of a Navy SEAL platoon.


  • JD, University of California, Berkeley, School of Law, 1989, Order of the Coif
  • BA, University of Pennsylvania, 1977, cum laude
  • California
  • California Supreme Judicial Court
  • US Court of Appeals for the Ninth Circuit
  • US District Court, Central District of California
  • US District Court, Southern District of California
  • US Tax Court
Government and Military Service
  • Navy SEAL Commander, US Navy

Email Disclaimer