David Rosenbaum

Practice Areas

Alternative Dispute Resolution & Mediation

Commercial Litigation

False Claims Act

Indian Law

Intellectual Property

Securities Defense

Litigation

Class Actions

Construction

Intellectual Property Litigation

Professional Memberships

Arizona Foundation for Legal Services & Education, Board of Directors, 2020-2022

Arizona State Bar Board of Governors, 2019-2023

Chair, Arizona Supreme Court’s Commercial Court Review Committee, 2018

Experience

Valued by clients for his ability to analyze and respond to complicated commercial litigation, David has built a strong practice representing Fortune 50 companies in state and federal courts. He focuses on a wide range of complex litigation, including securities and intellectual property litigation, class action claims, as well as other large commercial disputes. He has provided regular counsel to large public companies facing lawsuits in Arizona who value his ability to advocate both in oral and written arguments.

David’s practice includes representation of both local and national companies and their officers and directors, naturally adapting his experience across industries, including aerospace, telecommunications, and healthcare. He graduated with honors from Georgetown University Law School and completed mediation training at the Strauss Institute for Dispute Resolution at Pepperdine University School of Law. He is a past President of the Federal Bar Association and 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.

Work Highlights

Oregon Public Employees Retirement Fund v. Apollo Group Inc., (9th Cir., Dec. 12, 2014)

Kobach v. U.S. Election Assistance Commission, 772 F.3d 1183 (10th Cir. 2014)

(holding that Federal Elections Assistance Commission was not mandated to grant Arizona’s and other state requests to modify voter registration form)

Arizona v. Inter Tribal Council of Arizona, Inc., 133 S. Ct. 2247 (2013)

(holding that federal law preempted Arizona’s law requiring proof of citizenship for voter registration)

Dillard v. Schlussel, 2011 WL 1854978 (Ariz. App. 2011)

Matrixx Initiatives, Inc. v. Siracusano, 563 U.S. ____ (2011)

In re Apollo Grp. Inc. Sec. Litig. (D. Ariz. 2011)

Gonzalez v. Arizona, 649 F.3d 953 (9th Cir. 2011)

Allen v. Honeywell Retirement Earnings Plan, 698 F. Supp. 2d 1197 (D. Ariz. 2010)

Capricorn Pharma, Inc. v. Matrixx Initiatives, Inc. 2009 WL 2567022 (D. Del. 2009)

Honeywell Intern., Inc. v. RTF Intern., Inc., 209 P. 3d 764 (Kan. App. 2009)

Doe v. Arizona Hosp. and Healthcare Ass’n, 2009 WL 1423378 (D. Ariz. 2009)

Lory v. Ryan, 2008 WL 4630306 (D. Ariz. 2008)

Premier Jets, Inc. v. Honeywell Intern., Inc., 2008 WL 1840753 (D. Or. 2008)

Weiss v. Amkor Technology, Inc., 527 F. Supp. 2d 938 (D. Ariz. 2007)

Levine v. SkyMall, Inc., F. Supp. 2d, 2002 WL 31056919 (D. Ariz. 2002)

Cable Arizona Corp. v. CoxCom, Inc., 261 F.3d 871 (9th Cir. 2001)

Rollin v. Frankel, 196 Ariz. 350, 996 P.2d 1254 (App. 2000)

AlliedSignal, Inc., v. City of Phoenix, 182 F.3d 692 (9th Cir. 1999) (commercial tort)

Crawford v. American Institute of Professional Careers, Inc., 934 F. Supp. 335 (D. Ariz. 1996)

Aetna Cas. & Sur. Co. v. Dini, 169 Ariz. 555, 821 P.2d 216 (Ariz. App. 1991)

Education