Columbia Law School, J.D., 2013
Dartmouth College, A.B., 2006
Kemper Diehl is an accomplished trial lawyer who represents clients in complex business disputes and high-stakes litigation nationwide. His recent cases include patent, trade secret, securities fraud, breach-of-contract, and environmental tort suits.
Diehl 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 and entrepreneurs to Fortune 100 companies.
In 2021 and 2022, Best Lawyers in America named Diehl “One to Watch” with recognition for his accomplishments in both Commercial Litigation and Intellectual Property Litigation. Super Lawyers also recognized Diehl as a “Rising Star” in 2022.
Diehl graduated from Columbia Law School in 2013, where he was a James Kent Scholar (top 10% of class). 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.
Diehl’s litigation practice and strategic advice leverage business and finance experience he built earlier in his career. Previously a management consultant at Bain & Company, Diehl developed strong industry experience in financial services by advising private equity, insurance, and consumer lending clients. After Bain, Diehl joined private equity firm Thomas H. Lee Partners, where he contributed to financial analysis underlying two >$1 billion portfolio company acquisitions.
Diehl graduated cum laude from Dartmouth College in 2006, where he was captain of the men’s NCAA Division I swimming team.