Kemper P. Diehl

Kemper P. Diehl is a patent litigator at Susman Godfrey L.L.P., with a practice focusing on complex business and intellectual property disputes. His experience encompasses patent infringement, trade secret misappropriation, antitrust, and other commercial litigation matters. Diehl has been recognized for his accomplishments in Intellectual Property Litigation by Best Lawyers in America.

Diehl primarily represents plaintiffs in patent infringement actions. His tracked appearances indicate five instances on the plaintiff side and none on the defendant side. Notable representations include acting as counsel for Advanced Integrated Circuit Process LLC in patent litigation against Taiwan Semiconductor Manufacturing Company, Ltd., which involves integrated circuit technology. He has also represented patent-owner Arendi in patent infringement actions against technology companies like Apple and Google related to smartphone software.

His practice also includes involvement in PTAB proceedings, as evidenced by IPR2025-01210, filed by Taiwan Semiconductor Manufacturing Company Ltd. against his client, Advanced Integrated Circuit Process LLC.

Mr. Diehl earned his J.D. from Columbia Law School in 2013 and his A.B., cum laude, from Dartmouth College in 2006. He is admitted to practice in New York (2014) and Washington (2018).