Hon. Joseph S. Biderman (Ret.)

Joseph S. Biderman is a retired Los Angeles Superior Court Judge. He has over forty years of legal experience as a state and federal trial attorney, corporate managing counsel, big firm and sole practitioner litigator, criminal defense lawyer and civil rights attorney. He also has three years experience as a full-time Settlement Judge for the Los Angeles Superior Court and since 2014 has served as a private mediator and arbitrator in over 1,500 civil and probate cases.

Presiding in one of these courts, he resolved hundreds of civil cases prior to retiring from the bench. Thereafter, he quickly became one of Southern California’s preeminent alternative dispute resolution neutrals. In over six years serving as a private mediator, he has mediated over 1,500 cases in numerous practice areas.

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Hon. Joseph S. Biderman


Judicial Career, Los Angeles Superior Court 1994 - 2014

Judge Biderman served as a judge at the Los Angeles Superior Court. Preceding his term as a judge, he served as a Commissioner at the Los Angeles Municipal and Superior Courts for nine years. He has tried cases in criminal misdemeanors and felonies trials as well as civil and probate.

During his judicial career, Judge Biderman managed the Culver City, West Los Angeles, and Santa Monica Courthouses and served as Supervising Judge of the West District of the Los Angeles Superior Court in Santa Monica. He managed judicial officers in each courthouse he was in and served on many of the court’s special committees. He participated in the judicial training of over 150 judges newly appointed to the bench.

Private Practice 1981 – 1994

Judge Biderman began his private practice in 1985, having previously served as a trial attorney at the U.S. Department of Justice in Washington, D.C. from 1981-1983 and as a Deputy Public Defender in Los Angeles from 1983-1985. He was associated with the law firm of Bryan, Cave, McPheeters and McRoberts (now Bryan Cave Leighton Paisner LLP) from 1985-1988, where he handled a variety of civil litigation matters including product liability, business, and environmental cases. He formed his own law practice in 1991 and handled general civil litigation. He later was Of Counsel to Pillsbury, Madison & Sutro (Now Pillsbury Winthrop Shaw Pittman LLP) in the defense of automotive product liability matters.

Corporate Practice 1988 – 1991

Judge Biderman served as managing counsel at Honda North America, Inc., the North American subsidiary of a multi-national manufacturer of automobiles, motorcycles, and power equipment. He managed the in- house legal department and directed staff attorneys and paralegals in numerous product liability disputes, and supervised the company’s outside counsel.


Judge Biderman’s greatest qualification is not his experience or personal background. Rather, it is his unique ability to communicate and empathize with other persons. He is known not only for his quick wit, but for his caring and compassionate approach to everyone he interacts with. Judge Biderman will give it all to work with and for your clients, while not hesitating to be realistic and if necessary blunt about the strengths and weaknesses of a case.

While the majority of cases resolve at mediation, over 95% resolve thereafter. Judge Biderman is committed to follow-up, via phone, text, or email, if necessary. There is no charge for this service unless in extraordinary circumstances many hours of time are involved.


Judge Biderman was born in Montgomery, Alabama and was raised in the Washington, D.C. area. He attended Occidental College and the Autonomous University of Barcelona, Spain before receiving his B.A. with Distinction from the University of Virginia. He graduated in 1981 from UCLA School of Law where he was in the Moot Court Honors Program and President of the Asian American Law Students Association.

Judge Biderman has been actively involved in charitable endeavors in Los Angeles, including serving as Vice-Chairperson of the Board of Directors of the Hollywood Sunset Free Clinic. Judge Biderman resides in Santa Monica and Palm Springs. He is conversant in Spanish, having studied in Spain and was certified bilingual by Los Angeles County when serving as a Deputy Public Defender.


Judge Biderman is committed to sharing to help our community. In the last year, he has donated
approximately $50,000 to 501(c)(3) organizations including:

  • LACER After School Programs
  • Food In Need Of Distribution
  • Mayors Fund For Los Angeles
  • The UCLA Foundation
  • Greenwood Wildlife Rehabilitation Center
  • Well In The Desert
  • Los Angeles Regional Food Bank
  • Los Angeles LGBT Center
  • Doctors Without Borders
  • UCLA Law School
  • Palm Springs Animal Shelter
  • Little Tokyo Service Center
  • Union Rescue Mission
  • Los Angeles Mission
  • Skid Row Housing Trust
  • Coachella Valley Rescue Mission
  • New Directions for Veterans