James A. Donegan

James A. Donegan is a registered patent attorney focusing on intellectual property litigation, particularly in complex technology areas. His practice encompasses diverse industries, including semiconductors, medical imaging, mobile navigation, telecommunications, video compression, and access control systems. He has significant experience with global patent litigation disputes, including those involving standard-essential patents (SEPs). Donegan's technical background is rooted in electrical engineering.

Mr. Donegan primarily works on the defense side of patent litigation, consistent with his tracked appearance representing a defendant. His experience includes conceiving and implementing intricate non-infringement and invalidity defenses for clients.

Currently an Associate at Finnegan, Henderson, Farabow, Garrett & Dunner, LLP, James A. Donegan was previously associated with O'Melveny & Myers for at least one patent litigation matter. While specific named cases or outcomes are not detailed in public profiles, he is noted for his critical roles in high-value, multi-jurisdictional, and transnational IP disputes.

Donegan is active in Patent Trial and Appeal Board (PTAB) proceedings, representing clients before the PTAB and having presented oral arguments there. Prior to his firm experience, as an IP manager for a technology company, he directed patent litigation counsel before the PTAB, managing both offensive and defensive inter partes review (IPR) proceedings. He is admitted to practice before the U.S. Patent and Trademark Office.