William J. Maledon

Arizona

Osborn Maledon, P.A.
2929 North Central Ave
Suite 2000
Phoenix, AZ 85012-2793

Tel: 602-640-9331

Email: wmaledon@omlaw.com
Web: www.omlaw.com

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 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 15 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 25 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.

Honors & Awards

  • Best Lawyers®, Antitrust Litigation, 1993-2023
  • Southwest Super Lawyers, Top 50 Arizona Attorneys, 2007-2014, 2021-2022
  • Southwest Super Lawyers, Antitrust Litigation, Business Litigation, 2007-2022
  • Phoenix Best Lawyers®, Litigation-Antitrust Lawyer of the Year, 2013
  • American College of Trial Lawyers, Fellow
  • Top 100 Lawyers in Arizona – AZ Business Magazine, 2021
  • Phoenix Best Lawyers® Antitrust Lawyer of the Year, 2011

Defending businesses against accusations of antitrust and trade regulation violations has placed Osborn Maledon at the forefront of Arizona’s leading antitrust law firms. Over the last 30 years, our attorneys have been involved in nearly all of the most important, landmark antitrust cases in Arizona.

Acting as Lead Counsel for the defense in the Cement and Concrete Antitrust Litigation, as counsel for a major tobacco company in the Arizona Tobacco cases, as counsel for a leading software company in its Arizona antitrust litigation, and as counsel for an aerospace products manufacturer in several of their antitrust cases, Osborn Maledon attorneys are fully conversant with all aspects of the federal and Arizona antitrust laws. We represent clients in pursuing or defending complex federal or Arizona antitrust litigation and related trade regulation litigation. This includes litigating claims on behalf of plaintiffs and defendants in unfair trade practices cases, Lanham Act cases and trade secret cases.

With a team headed by two former Chairs of the Arizona antitrust section of the State Bar – both listed in the “antitrust” category in “Best Lawyers in America”, our attorneys have the broadest experience in class action procedure. From managing complex discovery to preparing witnesses and experts for antitrust litigation in both state and federal cases, Osborn Maledon provides strong, vigorous representation in all antitrust and trade regulation litigation.

With our substantial experience in all aspects of state and federal antitrust and trade regulation law, Osborn Maledon attorneys have the ability to identify and develop the cutting-edge legal strategies necessary to provide our clients with their best way forward with antitrust claims.

Osborn Maledon is a leading Arizona law firm with more than 50 attorneys providing litigation, business and general counsel solutions for our clients. We combine a unique commitment to Arizona with the experience, expertise, and results clients expect from national firms.

Our lawyers are among the most experienced anywhere in complex litigation and corporate matters. For over thirteen years, Chambers USA has named Osborn Maledon among the highest ranking Arizona law firms, for our corporate/mergers and acquisitions, general commercial litigation, and white-collar crime and government investigations practices. We excel in the areas in which we practice and leverage our expertise through strategic relationships with leading firms throughout the country. We staff our clients’​ matters in a way that delivers the highest quality legal services in the most cost-effective manner.

At Osborn Maledon, our commitment to excellent lawyering and public service drives us to hire and inspire exceptional attorneys, paralegals, and administrative professionals who reflect the diverse communities and clients we serve. We are dedicated to providing a professional home where people of diverse backgrounds and perspectives share their talents and successes. We best serve our clients and community when our colleagues with varied points of view and approaches to problem-solving are able to collaborate openly to deliver creative and efficient solutions for our clients.

William comes highly recommended for his strength across a range of civil disputes, including antitrust and product liability claims.”
Chambers & Partners