Jeffrey T. Gendzwill


Washington, D.C.

(202) 463-2502

(202) 861-1905

Jeff is a registered patent attorney who concentrates his practice on patent-related matters with a focus on client counseling, portfolio strategy and management, U.S. and foreign patent preparation/prosecution, and post-grant proceedings. His practice spans a wide range of technologies with a focus on the chemical and life sciences industry including chemical engineering, chemistry, clean energy, and nutritional/pharmaceutical supplements, as well as mechanical and biomechanical engineering, nanotechnology, physics, composite materials, and medical devices. Jeff also has extensive experience preparing complex patentability, invalidity, non-infringement, and freedom-to-operate opinions, as well as state-of-the-art analyses. He has represented multiple clients in disputes, both offensive and defensive, before the Patent Trial and Appeal Board (PTAB). 

Jeff is a frequent speaker on many IP law issues including joint infringement jurisprudence and the post-Helsinn on-sale bar. He has recently presented Filing Strategies in China: Don’t Forget the Utility Model; Patent Monetization: Options in Patent Sales; and Streamlined PCT Prosecution Strategies to legal teams at many of his industry-leading chemical and packaging clients.

He earned his J.D. at the University of Detroit-Mercy School of Law, where he graduated magna cum laude, and his B.S.Ch.E. from the University of Michigan-Ann Arbor. Before launching his legal career, Jeff worked in the automotive industry as a chemical engineer and as a technical sales engineer for several Fortune 500 companies including 3M Company and Henkel International.




Cozen O’Connor Bolsters Washington, D.C., Intellectual Property Practice with the Addition of Jeffrey T. Gendzwill and Keith D. Fredlake

October 26, 2020

Both Gendzwill and Fredlake join from Kilpatrick Townsend and will become members of the firm’s growing Intellectual Property practice that comprises nearly 50 attorneys representing national and international corporate clients from startups to multinational companies.


  • University of Detroit Mercy School of Law, J.D., magna cum laude, 2004
  • University of Michigan, B.S.Ch.E, 1993
  • District of Columbia
  • Michigan
  • Virginia
  • U.S. District Court -- Eastern District of Michigan
  • U.S. Patent and Trademark Office