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David Lindenbaum


David Lindenbaum is a partner and registered patent attorney in the Firm’s Intellectual Property and Litigation Practice Groups. His practice spans litigation, prosecution, opinion, and transactional matters.

Mr. Lindenbaum has extensive experience litigating patent, trademark, and false advertising cases in federal trial and appellate courts, including case preparation and strategy, fact and expert discovery, depositions, motion practice, Markman hearings, trials, and appeals. He has also served as lead counsel for both Petitioners and Patent Owners in Inter Partes Review proceedings before the Patent Trial and Appeal Board at the U.S. Patent and Trademark Office.

His practice also focuses on counseling clients on intellectual portfolio development, including development of both domestic and international portfolios. He works closely with clients to help them identify inventions and trademarks that can and should be protected in accordance with each client’s objectives, and to prepare and prosecute valuable patent and trademark applications.

He counsels clients regarding potential risks by providing freedom-to-operate opinions and opinions concerning the validity of patents held by others. He also handles transactional work, including intellectual property license negotiations and due diligence for corporate transactions.

Mr. Lindenbaum works on matters involving a broad range of technologies, including medical devices and treatments, computer software and Internet security, telecommunications systems, automotive systems, manufacturing and construction equipment, consumer electronic devices, financial services, pharmaceuticals, semiconductors, cannabis processing, and food products.

Prior to joining the Firm, he practiced intellectual property law at Kelley Drye & Warren. He was previously an associate at Kramer Levin Naftalis & Frankel and Fish & Neave.

He received a Bachelor of Science in Mechanical Engineering and Applied Mechanics from the University of Pennsylvania, and a Bachelor of Science in Economics from the Wharton School at the University of Pennsylvania. He received his Juris Doctor degree from Columbia Law School.

Mr. Lindenbaum is admitted to practice in New York, New Jersey, and Connecticut, as well as the U.S. Court of Appeals for the Federal Circuit, the U.S. Court of Appeals for the Second Circuit, the U.S. District Courts for the Southern and Eastern Districts of New York, the U.S. District Court for the District of New Jersey, the U.S. District Court for the Eastern District of Texas, and the U.S. District Court for the District of Colorado. He is also admitted to practice before the United States Patent and Trademark Office.