John M. Griem, Jr.

John M. Griem, Jr.

John M. Griem, Jr.


2 Wall Street, New York, NY 10005
212-238-8659, Fax: 212-732-3232
griem@clm.comDownload Vcard

Practice Description

Jack Griem’s practice concentrates on intellectual property disputes and related litigation. He is co-Chair of the firm’s Intellectual Property Department and also leads the firm’s Cybersecurity practice.

Mr. Griem has led major patent litigation in the fields of pharmaceuticals, diagnostic testing, medical products, consumer electronic products and semiconductors, among others. Mr. Griem’s expertise extends to every phase of a dispute, from pre-suit investigation through trial and appeal, and includes parallel or separate U.S. Patent and Trademark Office proceedings. He has also extensive experience in proving and defending against claims for damages and injunctive relief, and litigating related antitrust counterclaims. One particular area of expertise is advising clients in complex pharmaceutical patent litigation under the Hatch-Waxman Act.

In leading the cybersecurity practice at the firm, Mr. Griem coordinates a cross-functional group of attorneys at the firm to provide clients with advice on developing, strengthening, testing, and enforcing their information protection policies and procedures. He also advises on information security breaches and potential related litigation.

Mr. Griem also provides expert counseling in trademark disputes and related Trademark Office proceedings and litigation. He has handled disputes in the fields of entertainment, consumer products, financial services, and pharmaceuticals, among others. In addition, Mr. Griem handles copyright disputes, trade secret controversies, and intellectual property issues arising in corporate and financing transactions.

Mr. Griem double majored in Chemistry and Psychology at Dartmouth College, receiving his A.B. in 1991. He then attended law school at Hofstra University, where he received his J.D. with honors in 1994 and served as an Associate Editor of the Law Review. Recently, he served as a Special Professor of Law at his alma mater, the Maurice A. Deane School of Law at Hofstra University, where he taught “Biotechnology and the Law.”


  • 1995 New York
  • 1995 U.S. Patent and Trademark Office
  • 2006 U.S. Supreme Court
  • 1995 U.S. District Courts, Southern and Eastern Districts of New York
  • 1999 U.S. Court of Appeals, Federal Circuit 


  • President, Board of Directors, Conrad Foundation
  • Vice-Chair, Pharmaceutical and Biotechnology Issues Committee, Intellectual Property Owners


  • A.B., 1991 Dartmouth College
  • J.D., 1994 Hofstra University (with honors, Associate Editor, Hofstra Law Review)

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