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 at the intersection of technology and law.





For more than a quarter of a century, Mr. Rein has focused on patent litigation, strategic counseling and patent-related due diligence. As a result of his scientific background and IP expertise, he digs into the facts to come up with innovative legal solutions to complex problems, whether behind the scenes advising clients or in litigation on their behalf. See, e.g., Merck Sharp & Dohme Corp. v. Teva Pharmaceuticals USA, Inc., 217 F.Supp.3d 782 (D. Del. 2016) (Trial victory relating to a generic version of NASONEX based on Mr. Rein’s 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 is currently serving his second term on the Patents Committee of the New York City Bar Association and is involved in both the Israel Practice committee of the American Intellectual Property Law Association and the Tech Division committee of UJA. Mr. Rein has also undertaken pro bono work on behalf of The Legal Aid Society (where he was honored as one of the recipients of the Society’s 2017 Pro Bono Publico Awards) as well as legal educational work with the Anti-Defamation League (where he mentored the winners of the Best Overall Memo in the ADL’s 2017 Summer Associate Research Program memo competition for the New York region).


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 intellectual property law at various conferences, including those organized by the International Generic and Biosimilar Medicines Association, the Food and Drug Law Institute, the Intellectual Property Institute of Canada, the Hebrew University Faculty of Law and the New York City Bar Association. 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









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. Court of Appeals for the Second 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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