Printout from Pearl Cohen Zedek Latzer Baratz


Dr. Jonathan Passner is a Partner in the Life Sciences Group at Pearl Cohen’s New York office. His practice focuses on patent matters in the areas of biotechnology, medical device, and pharmaceutical industries. Jonathan has extensive experience drafting and prosecuting patents; managing and counseling clients on their patent portfolios; preparing freedom to operate, patentability, and invalidity opinions; as well as conducting due diligences for million dollar to multi-billion dollar transactions.  Jonathan has also been involved in patent litigation, representing both small and large companies. 

Prior to joining Pearl Cohen, Jonathan was an associate in the Life Sciences Practice Group at Mintz Levin Cohn Ferris Glovsky and Popeo PC.

While earning his B.A in Physics, Jonathan was a Garden State Distinguished Scholar and was elected a member of Sigma Xi. Jonathan earned his Ph.D. in Molecular Biophysics and Biochemistry in the laboratory of Nobel Laureate Thomas Steitz, Ph.D.  He then conducted research as a postdoctoral fellow at Mount Sinai School of Medicine, where he was awarded a Special Fellowship from the Leukemia & Lymphoma Society.  While earning his J.D., Jonathan was an associate editor of the Fordham Intellectual Property, Media & Entertainment Law Journal.


  • New Jersey State Bar
  • New York State Bar
  • U.S. Patent & Trademark Office


Fordham University, J.D., 2006
Yale University, Ph.D. Molecular Biophysics and Biochemistry, 1997
Princeton University, A.B. Physics (magna cum laude), 1989



Professional Membership

American Association for the Advancement of Science
Sigma Xi
Association of University Technology Managers
New York Intellectual Property Law Association



Cohen, M. & Passner, J.M. (2017). Five Years After Mayo v. Prometheus: Where Do We Go From Here? Biomed Magazine 2017.

Cohen, M. & Passner, J.M. (2016) Subject Matter Patent Eligibility of Biotech Inventions. Biomed Magazine 2016.

Baer, M. & Passner, J.M. (2005).  Opinion Letters, Representation Issues and the Impact of the Knorr-Bremse Decision.  Patent Litigation 2005 (Practicing Law Institute) 649-687.

Joshi, R., Passner, J.M., Rohs, R., Jain, R., Sosinsky, A., Crickmore, M.A., Jacob, V., Aggarwal, A.K., Honig, B. & Mann, R.S. (2007).  Cell 131, 530–543.

Passner, J.M., Ryoo, H.D., Shen, L., Mann, R.S. & Aggarwal, A.K. (1999).  Nature  397, 714-719.

Passner, J.M. & Steitz, T.A. (1997).  Proc. Natl. Acad. Sci. USA 94, 2843-2847.