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MEMBER PROFILE: William J. Maledon

Arizona mediator William Maledon
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William J. Maledon
Osborn Maledon, P.A.
2929 North Central Avenue
Suite 2100
Phoenix, AZ 85012

Tel: (602) 640-9133
Fax: (602) 640-9050
Email: Click for email

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Calendar Last Updated: 11 Dec 18


Click your preferred date to send our office a Date Request form.

All such requests will go immediately to
William Maledon's scheduling staff
(Jessica Lopez,



ADR Services:
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William J. Maledon has experience in the following areas of Civil Law:
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design elementConsumer Fraud
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design elementIntellectual Property
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Biographical Notes:

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Since 2007, Bill Maledon has served as mediator or special master in many cases involving a wide variety of legal issues. He brings to his mediation practice extensive experience in both federal and state courts in a wide variety of cases, including antitrust and trade regulation cases, product liability cases, negligence cases, securities cases, insurance cases, professional liability cases, and sports cases. He also has extensive experience in handling appellate matters.

Bill is recognized as one of the leading commercial litigation and trial attorneys in Arizona.  He began his legal career in Arizona in 1974 after a clerkship with Justice William J. Brennan of the United States Supreme Court.

He has been listed in Best Lawyers in America for over 25 years and has been recognized by Best Lawyers on several occasions as "Lawyer of the Year" in various categories.  In addition, for the last 15 years he has been named by Chambers USA as one of the top-tier business litigation attorneys in Arizona, and since 2012 he has been listed by Chambers as the only "Star" litigator in Arizona.  On several occasions, he has been named by Law Dragon Magazine as one of the 500 leading lawyers in America.  He is a Fellow of the American College of Trial Lawyers, a Fellow of Litigation Counsel of America, and a member of numerous other professional organizations.


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  • J.D. summa cum laude, University of Notre Dame, 1972
  • Editor-in Chief of the Notre Dame Law Review
  • B.S. Loyola University of Chicago, 1969


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Memberships & Affiliations:

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Court Admissions:

  • Arizona Supreme Court, 1974
  • U.S. Supreme Court, 1978
  • U.S. District Court, District of Arizone, 1974
  • U.S. Court of Appeals, Ninth Circuit, 1975
  • U.S. Court of Appeals, Eighth Circuit, 1999
  • U.S. Court of Appeals, Federal Circuit, 2009


  • American College of Trial Lawyers, Fellow
  • Litigation Counsel of America, Fellow
  • Arizona Bar Foundation, Founding Fellow
  • Federal Judicial Conference Standing Committee on Rules of Practice and Procedure, 2005-2012
  • Arizona Supreme Court Committee on Complex Litigation
  • Arizona Supreme Court Committee on Jury Reform
  • Ninth Circuit Advisory Board, 2014-present
  • Maricopa Bar Association Hall of Fame


Rates: $550 per hour. No cancellation or postponement fee if scheduled mediation is cancelled before mediation briefs are submitted..
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View Complete Arizona Roster  ::  Legal Notice  ::  AZMA is the Arizona Chapter of the National Academy of Distinguished Neutrals (

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