William J. "Bill" Maledon
Awarded Practice Areas
Biography
Bill Maledon is amongst the most esteemed commercial litigation and trial attorneys in Arizona and across the United States, and has built a widely recognized reputation for leading large-scale and complex commercial matters. He is a prominent figure both in federal and state courts, with notable expertise in antitrust, securities, and sports-related matters. He also has extensive experience in handling appellate matters in both federal and state courts and has acted as mediator and arbitrator in cases of local and national significance.
Highly decorated throughout his career, he has been consistently recognized by Chambers as a Leading Lawyer for Business over the last 20 years in addition to being named amongst a selective group of “top tier” business litigation attorneys in Arizona and trial attorneys across the nation. He has been included in Best Lawyers® for more than 30 years and has been named Lawyer of the Year by the same organization in a variety of categories.
His experience at both the trial and appellate levels has resulted in his appointment to numerous distinguished committees, including the Arizona Supreme Court Committee to revise jury trial procedures in Arizona, the Federal Rules Standing Committee (to which he was twice appointed by the Chief Justice of the U.S. Supreme Court), and the Ninth Circuit Advisory Committee.
To view Bill Maledon’s availability on mediation and arbitration matters, please visit: https://www.nadn.org/william-maledon.
Overview
- University of Notre Dame, J.D., graduated 1972
- Arizona, 1974
- Arizona Supreme Court
- U.S. District Court, District of Arizona
- U.S. Court of Appeals, Ninth Circuit
- U.S. Supreme Court
- U.S. Court of Appeals, Eighth Circuit
- U.S. Court of Appeals, Federal Circuit
- Arizona, 1974
- University of Notre Dame, J.D., graduated 1972
- Arizona Supreme Court
- U.S. District Court, District of Arizona
- U.S. Court of Appeals, Ninth Circuit
- U.S. Supreme Court
- U.S. Court of Appeals, Eighth Circuit
- U.S. Court of Appeals, Federal Circuit
Client Testimonials
Awards & Focus

- Antitrust Law, Phoenix (2025)
- Litigation - Antitrust, Phoenix (2025)
- Bet-the-Company Litigation, Phoenix (2015)
- Litigation - Antitrust, Phoenix (2013)
- Commercial Litigation, Phoenix (2012)
- Antitrust Law, Phoenix (2011)
- Bet-the-Company Litigation, Phoenix (2010)
- Antitrust Law
- Bet-the-Company Litigation
- Commercial Litigation
- Corporate Law
- Entertainment Law - Motion Pictures and Television
- Entertainment Law - Music
- Litigation - Antitrust
- Sports Law
- Medical Malpractice Law
- Complex Litigation
- Litigation
- Sports
Southwest Super Lawyers, “Top 50 Arizona Attorneys”, 2007-2014, 2021-2025
Southwest Super Lawyers, Antitrust Litigation, Business Litigation, 2007-2025
American College of Trial Lawyers, Fellow
Litigation Counsel of America, Fellow
Top 100 Lawyers in Arizona – AZ Business Magazine, 2021, 2024
Phoenix Best Lawyers®, “Lawyer of the Year”, Antitrust, 2011
BTI Client Service All-Star Team, 2009-2010
Chambers USA, America’s Leading Lawyers for Business, Litigation: General Commercial, 2003-2025, Litigation: Trial Lawyers Nationwide, 2009-2017
Arizona’s Finest Lawyers
Business Journal, “Best of the Bar”, Litigation, 2003-2004
Member, Maricopa County Bar Association Hall of Fame
Lawdragon 500 Leading Lawyers in America, 2008, 2010
Benchmark Litigation, Star Litigator, 2010-2017
Global Law Experts, Business Litigation Attorney of the Year, 2014
News & Media
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