Carl Riehl is a counsel in the firm’s Litigation Department and its Commercial Litigation, International Dispute Resolution and Intellectual Property Practice Groups. He has litigation experience in the areas of international arbitration, contract and other commercial disputes, consumer fraud, securities, real estate, patent, trademark, copyright, white collar crime, bankruptcy, insurance, and trusts and estates. He also provides assistance acquiring and licensing intellectual property to clients in a wide variety of industries, including e-commerce clients.

Mr. Riehl is described by The Legal 500 US (2021) as “a mathematical genius” and “one of a kind.” He is the author of “Federal Circuit Misapplies Repair Doctrine to Method Patents,” IP Law 360 (September 5, 2006).

Mr. Riehl joined Debevoise as an associate in 1995. He received his B.A. and B.Mus. from Oberlin College in 1990 and received his J.D. from Yale Law School in 1995.


  • Yale Law School, 1995, J.D.
  • Oberlin College, 1990, B. Mus.
  • Oberlin College, 1990, B.A.

Bar Admissions

  • New York