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


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.  Judge Warren has resolved a wide range of disputes including environmental matters, which have involved a broad range of legal issues including Prop 65, toxic contamination, and greenhouse gas emissions.  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 case involving allegations of toxic contamination of San Francisco Bay from industrial operations
  • Mediated case involving allegations of leakage from toxic waste dump into local water supply
  • Mediated case involving claims of contamination in housing development built on former oil processing site
  • Mediated case involving claims of damage to forest property following nationally advertised music festival
  • Mediated complex cases involving use of chlorpyrifos, fungicides, and pesticides in California agriculture
  • Mediated case involving generation of greenhouse gas emissions from various power sources
  • Mediated Prop 65 Case involving allegations of lead in processed foods
  • Mediated Prop 65 Case involving allegations of lead in hardware fixtures
  • Mediated Prop 65 Case involving allegations of lead in consumer make-up products
  • Mediated Prop 65 Case involving allegations of lead in decorative glassware
  • Mediated Prop 65 Case involving allegations of fertilizer contamination in fresh produce
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




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