Practice Areas

Intellectual Property


The Cooper Union
(B.E.M.E. 1989)

Benjamin N. Cardozo School of Law, Yeshiva University
(J.D. 1992)

Bar Admissions

New York

New Jersey

U.S. District Courts for the Southern and Eastern Districts of New York

Eastern District of Wisconsin

Eastern District of Texas

United States Patent and Trademark Office 

US Court of Appeals for the Federal Circuit

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Barry E. Negrin

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Tel: 212-519-5166
Fax: 212-245-3009

Barry Negrin, a registered patent attorney (Reg. No. 37,407), is counsel to the firm, and practices in the firm’s Intellectual Property Practice Group.  Mr. Negrin has enjoyed a diverse practice of patent and trademark law for over 25 years, managing the intellectual property portfolios of clients both domestically and internationally. 

During his career, Mr. Negrin has drafted patent applications and infringement/non-infringement opinions,  has litigated patent infringement issues, and has conducted patent reexamination proceedings, all in a wide variety of technologies, including X-ray optical systems, rapid blood clotting treatments, social media monitoring and interaction, video software codec systems, biomedical devices, HVAC systems and related software and control units, magnetic levitation transportation, voice-recognition security systems, consumer electronics, rapid liquid cooling/warming technology, telecommunications software systems, software for developing and executing distributed applications, ultraviolet water purification systems, internet search functionality, and many others.  He has also searched, cleared and prosecuted numerous trademark applications and has appeared before the Trademark Trial and Appeal Board of the U.S. Patent and Trademark Office. 

Prior to joining Kane Kessler, Mr. Negrin was the co-founder of the patent group at a New York based 125-attorney general practice firm.   

Mr. Negrin also has been recognized as a “Super Lawyer” in the 2014-2017 legal directory published annually by Super Lawyers, which is a listing of top rated attorneys in America.

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