David B Rosenbaum

Osborn Maledon PA

David Rosenbaum is with Osborn Maledon. Mr. Rosenbaum’s practice focuses on complex commercial litigation in state and federal courts. He has represented public companies and their officers and directors in numerous securities fraud class actions, represented Fortune 50 companies in a wide range of complex commercial litigation matters, including securities and intellectual property litigation, class action claims, as well as other large
commercial disputes.

David has served as President of the Federal Bar Association Phoenix Chapter and as Lawyer Representative to the Ninth Circuit Judicial Conference. He currently serves on the Arizona State Bar Board of Governors and the Board of Directors at the Arizona Foundation for Legal Services and Education. He has been recognized in America’s Leading Lawyers for Business by Chambers USA and has been named multiple times as Lawyer of the Year for Phoenix in Best Lawyers® and as a Top 100 Lawyer in Arizona by AZ Business Magazine.

David chaired the Arizona Supreme Court Business Court Advisory Committee, which led to the creation of Maricopa County’s Commercial Court. He co-chaired the Arizona Supreme Court Task Force on the Arizona Rules of Civil Procedure, which led to the full restyling of Arizona’s Rules in 2015.