Kemper Diehl represents plaintiffs and defendants in high-stakes commercial litigation nationwide. His recent cases include breach-of-contract, patent, trade secret, securities fraud, and environmental tort suits. 

Kemper has a track record of obtaining wins in trial and appellate courts, favorable settlements, and arbitration victories for his clients, who range from individual investors, inventors, and entrepreneurs to Fortune 100 companies. In 2021, Best Lawyers in America named Kemper “One to Watch, Commercial Litigation” (2021, Woodward White, Inc.).

Kemper was a James Kent Scholar at Columbia Law School. A New Jersey native, he clerked for Judge William H. Walls on the U.S. District Court for the District of New Jersey and practiced law at Covington & Burling before joining Susman Godfrey.

Before law school, Kemper built business and finance experience as a management consultant at Bain & Company and as an investment associate at the private equity firm Thomas H. Lee Partners. Kemper graduated cum laude from Dartmouth College in 2006, where he was captain of the men’s NCAA Division I swimming team.