James Warren

Hon. James L. Warren (Ret.)

JAMS Mediator, Arbitrator and Referee/Special Master

Case Manager
Terri Benson
T: 415-774-2653
F: 415-982-5287
Two Embarcadero Center, Suite 1500, San Francisco, CA 94111

James L. Warren is available to conduct cases virtually. JAMS is equipped to provide virtual ADR services on a variety of online platforms, including Zoom, Microsoft Teams, WebEx, and more.


Hon. James L. Warren (Ret.) is a full-time neutral with a strong intellect and ability to quickly grasp facts.  Judge Warren has resolved many complex, multi-party class action cases.  Prior to becoming a neutral, Judge Warren was involved in many complex and high profile cases as a San Francisco Superior Court judge.

Representative Matters

  • Mediated class action involving major Silicon Valley company accused of falsely advertising benefits and features of internet offerings
  • Mediated class action involving allegations of fraud and violation of regulations dealing with inter-bank relationships in market for Remote Created Checks
  • Mediated settlement between last two parties in nationwide DRAM price fixing case involving allegations of horizontal price fixing conspiracy
  • Mediated national class action dispute between 30,000 class members and a major apparel store regarding illegal hiring practices
  • Arbitrated numerous employment class actions, involving allegations of wrongful termination, harassment and sex discrimination, wrongful designation of employment status, meal and rest breaks, and overtime calculations
  • Arbitrated complex attorneys’ fees case following settlement of nationwide class action dealing with securities fraud
  • Discovery Referee in class action case involving the calculation of commissions based on sales of computer hardware and peripherals; the class sought damages in excess of $60 million
  • Discovery Referee in class action involving repossession and sale of automotive vehicles following default on loans offered by bank and other commercial lending institutions; plaintiff class sought damages claimed to be between $50 million and $200 million
Completed Virtual ADR training conducted by the JAMS Institute, the training arm of JAMS.

  • Recipient, Champion of Justice Award, Bar Association of San Francisco, 2006
  • Recipient, The Barristers Choice Award (Judge of the Year), The Barristers Club of the Bar Association of San Francisco, 2006
  • Recipient, Award For Outstanding Service to the Legal Community, Bay Area Lawyers for Individual Freedom, 2005
  • Judicial Advisor, Executive Committee, Litigation Section of the California Bar Association
  • Professor, Mediation, University of San Francisco Law School
  • Member, San Francisco Superior Court's Alternative Dispute Resolution Committee
  • Member, California Judicial Council Task Force on Complex Civil Litigation
  • Member, California Judicial Counsel Continuing Education Committee
  • Member, California Judges Association; Faculty Member, Judges College and New Judge Orientation Program
  • Judicial Fellow, Association of Trial Lawyers of America
  • Lifetime Member, Fellows of the American Bar Foundation
  • Member, American Bar and California Bar Associations
  • Member and Officer, Edward J. McFetridge American Inn of Court
  • Admitted to practice: U.S. Supreme Court; Court of Appeals for Second, Fifth, Ninth, and Federal Circuits; all District Courts for California and New York; Northern District of Texas; all State Courts in California and New York
  • "Effective Law and Motion Practice," ABTL Reporter, Fall/Winter 2012
  • Co-author with Judge Ann Kough (Ret.), "Judicial Reference, A Forgotten Tool," The Recorder, October 7, 2013

ADR Profiles

  • Judge, San Francisco County Superior Court, 1994-2006 (Law & Motion Department, 2003-2006)
  • Senior Counsel, Pacific Bell, 1993-1994
  • Partner, Pillsbury Winthrop (formerly Pillsbury, Madison & Sutro), 1980-1993 (Associate, 1975-1980)
  • Associate, Clifford Chance (formerly Rogers & Wells), 1973-1975
  • J.D., Hofstra University School of Law, 1973; Recipient of University's First Most Distinguished Alumnus Award, 1983
  • B.A., University of California, Berkeley, 1966

Counsel Comments

    • “Judge Warren is a top choice for private arbitration or mediation. I will choose him for any kind of case, particularly complicated ones.”

      - Founding Partner of a premier litigation specialty firm in San Francisco




This page is for general information purposes.  JAMS makes no representations or warranties regarding its accuracy or completeness.  Interested persons should conduct their own research regarding information on this website before deciding to use JAMS, including investigation and research of JAMS neutrals. See More

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