Howard Wizenfeld

Special Counsel
New York,  NY  U.S.A.
Phone212 504 6050

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Experience & Credentials

Practice Areas

  • IP Due Diligence
  • ITC Litigation
  • Intellectual Property
  • Trademark & Copyright Protection
  • Litigation
  • Patent & Trade Secret Litigation
  • Patent Preparation & Prosecution
University Columbia University, B.S.E.E., 1999
Law SchoolFordham University, School of Law, J.D., 2002
Admitted2003, New York;U.S. Patent and Trademark Office

Howard Wizenfeld focuses his practice in the area of intellectual property law. He handles complex patent litigations primarily in the electrical engineering, telecommunications, and computer science fields, and has handled litigations in the biotechnology, pharmaceutical, and chemical sectors. He also counsels clients with respect to various intellectual property issues, including licensing or purchasing IP assets, corporate transactions that concern IP, and patent prosecution. Although Howard's practice largely focuses on intellectual property law, he has also litigated non-IP matters, for example defending a large manufacturer of Petrol tanks in an arbitration proceeding for payment of dividends.

Prior to joining Cadwalader, Howard was an associate at White & Case, Quinn Emanuel, and Amster, Rothstein & Ebenstein where he participated in all aspects of intellectual property law.

Howard earned his J.D. from Fordham University School of Law, where he was a member of Moot Court, and his B.S. in Electrical Engineering from Columbia University. He is admitted to practice in the State of New York, the Southern and Eastern Districts of New York, and is registered to practice before the U.S. Patent & Trademark Office. In addition, Howard is a member of the New York Intellectual Property Law Association (NYIPLA).


ParkerVision, Inc. v. Qualcomm, Inc.
Representing Qualcomm in a multi-patent infringement case related to RF receivers.

Broadcom Corp. v. Qualcomm, Inc.
Substituted as counsel to defend Qualcomm against allegations of infringement by its 3rd Generation baseband processors and proprietary network software. Broadcom alleged that these products infringed telecommunications patents related to video encoding and network switching technologies. The case settled on favorable terms.

Matsushita Electric Industrial Co., Ltd. v. MediaTek, Inc.
Represented Mediatek in a multi-patent litigation involving optical disc drive technology. The case settled on favorable terms.

Nidec Corp. v. Victor Company of Japan
Represented JVC in a multi-patent infringement case related to hard disk drives. Case settled on favorable terms.

Reliant Pharmaceuticals v. Abbot Laboratories
Represented Reliant Pharmaceuticals in a litigation involving fenofibrates. The case settled on favorable terms.

John R. Gammino v. Verizon Communications, Inc.
Defended Verizon and its subsidiaries against allegations of patent infringement regarding call-blocking technology. Case settled on favorable terms.

Syngeta Seeds, Inc. v. Monsanto
Represented Syngenta Seeds in a patent infringement litigation relating to genetically modified seeds.

Defended a large corporation in an arbitration proceeding regarding payment of dividends.

News & Resources


News Releases

Cadwalader Represents Goodyear in Dissolution with SRI Resolving Two-Year Dispute Oct 02, 2015

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Office Information

Howard Wizenfeld

New YorkNY 10281-0006


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