Fred Rein is partner in Goodwin’s IP Litigation Group and a member of the firm’s Israel and Tech/Life Sciences Practices. He is a U.S. registered patent attorney with over 25 years of experience in patent litigation, strategic counseling and patent-related due diligence.




Over the course of a quarter of a century, Mr. Rein has handled numerous patent litigations relating to a wide variety of pharmaceuticals including generic versions of well-known products such as CLARITIN, LIPITOR and ZANTAC. In recent litigation relating to Teva’s generic version of NASONEX, Mr. Rein secured a trial victory based on his examination of the parties’ expert witnesses including Merck’s expert who used one of the world’s most powerful X-ray diffraction facilities, the synchrotron at Argonne National Laboratory, in an unsuccessful attempt to prove infringement.

Professional Experience

Prior to joining Goodwin in 2001 to help start its IP law practice in New York, Mr. Rein was a partner at a well-known IP law firm. Earlier in his career, he clerked at the U.S. District Court for the Central District of California (located in Los Angeles). He previously served on the Patents Committee of the Association of the Bar of the City of New York and is currently involved in the Israel Practice committee of the American Intellectual Property Law Association and the Tech Division committee of UJA.


Mr. Rein has repeatedly been named a “Life Sciences Star” by LMG Life Sciences. He has served as an editor of the Journal of Generic Medicines for over a decade and has spoken about patent law at conferences organized by the International Generic and Biosimilar Medicines Association, the Food and Drug Law Institute, the Intellectual Property Institute of Canada and the Israeli chapter of AIPPI. While in law school, Mr. Rein was Managing Editor of the Boston College Environmental Affairs Law Review. In graduate school, he was a recipient of a New York University Fellowship and a Conoco Scholarship.

In The News

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J.D., 1989
Boston College Law School
M.A., 1986
New York University
B.S., Biology, 1984
Rensselaer Polytechnic Institute


1989 to 1990 U.S. District Court for the Central District of California, Honorable Ralph J. Geffen



New York
U.S. Patent and Trademark Office (USPTO)


U.S. Court of Appeals for the Federal Circuit
U.S. District Court for the Eastern District of New York
U.S. District Court for the Southern District of New York
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