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Paul Zagar, M.D.


Paul Zagar, M.D. is a Partner at Kim IP with extensive experience servicing clients in the areas of biotechnology, chemistry, pharmaceuticals, and medical devices, having practiced in law firms and in-house corporate settings.  Dr. Zagar brings a unique perspective, having practiced general and vascular surgery before entering the practice of intellectual property law.  Dr. Zagar practiced patent law practice at the intellectual property boutique Darby & Darby P.C., and later at general and boutique law firms, the US Department of Agriculture, and in-house at a flavor and fragrance company.

Dr. Zagar practice primarily focuses on patent drafting and procurement, patent opinions, technology licensing & agreements, litigation, and post-grant procedures.  Throughout his career, he has worked on formulating and carrying out protection strategies, reissuing Orange Book-listed patents in concurrent litigation, preparing freedom-to-operate and invalidity opinions for pharmaceutical companies, and opining on therapeutic antibody patents.  

  • Zagar P, “Praxair’s New Twist On Subject Matter Ineligibility,” Expert Analysis in IP Law360, July 18, 2018.
  • Zagar P, “Praxair and the Printed Matter Doctrine,” Expert Analysis in IP, Life Sciences, and Appellate Law 360, May 18, 2018.
  • Fehlner P and Zagar P, “Protecting Secret Methods,” National Law Journal, December 2002., Davidson PG and Zagar P, “Laparoscopic Nissen Fundoplication” (commentary) Current Surgery, Nov/Dec 1993; 50(9):636-641.

Patent Procurement

Litigation (Patent and IP)

Opinion Work


New York

U.S. Patent & Trademark Office


J.D. William & Mary Law School

M.D. State University of New York Downstate Health Sciences University

B.A. Biology, University of Virginia