E. Patrick Ellisen, a California Intellectual Property lawyer, focuses his practice on intellectual property protection, counseling and enforcement. Patrick has wide-ranging experience in patent, trademark, copyright and trade secret matters. He has deep experience handling various types of intellectual property disputes, including patent infringement actions in the U.S. District Courts and before the U.S. International Trade Commission. Patrick regularly advises clients on intellectual property strategies and systems, negotiates and litigates intellectual property license agreements, and has unique experience in insurance coverage of intellectual property disputes. Patrick is a frequent lecturer on intellectual property management and best practices.

Prior to joining the firm, Patrick was a shareholder at Greenberg Traurig. Prior to that, he was the firmwide chair of the Intellectual Property Practice Group at a Minneapolis-based multidisciplinary firm.