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Kent H. Cheng, Ph.D.
Partner
Areas of Expertise
  • Patent Litigation, including litigation under the Hatch-Waxman Act
  • U.S. International Trade Commission
  • Counseling on Patent Validity, Infringement, and Freedom to Operate
  • U.S. Patent Office Practice and Patent Prosecution


  • Professional Summary
    Dr. Cheng has practiced intellectual property law since 1988. He has extensive experience prosecuting and litigating patents covering pharmaceuticals under the Hatch-Waxman Act. He has advised branded pharmaceutical companies in preserving their competitive positions, and U.S. and foreign generic pharmaceutical companies to assist their entry into the U.S. market.

    He also has prepared opinions on patent validity, infringement, and freedom to operate issues in the chemical, pharmaceutical, biotechnology, medical devices, electronic, software and mechanical arts.

    In the arena of pharmaceutical and biotechnology patent prosecution, Dr. Cheng has represented clients in administrative proceedings in the U.S. Patent and Trademark Office including reexaminations, interferences and appeals to the Board of Patent Appeals and Interferences. He frequently lectures on U.S. patent law and practice in the U.S., Europe and Asia.

    Dr. Cheng has conducted audits of clients' system of procuring, maintaining and using patents; advised clients regarding confidentiality, licensing and employment/consultant agreements; and drafted settlement agreements and licensing agreements among multinational companies in various technologies. He also has advised clients in trademark and trade dress disputes, and in the area of unfair competition.

    Education
    J.D., Pace University, 1991
    Ph.D., Chemistry, Brandeis University, 1979
    B.A., Chemical Physics, Columbia University, 1974

    Admissions
    New York, Connecticut
    U.S. Patent and Trademark Office
    U.S. District Courts, Southern and Eastern Districts of New York; District of Columbia
    U.S. Court of Appeals for the Federal Circuit

    Memberships
    New York State Bar Association
    New York Intellectual Property Law Association
    American Bar Association

    Languages
    Chinese

    Articles
    “Supreme Court debates critical component,” by Shanaz Mahmud, Reporter, Managing Intellectual Property with Kent Cheng, Partner

    Lectures
    “Drafting a Patent Application that Can Withstand Litigation,” Beijing, China

    Decisions
    In re '639 Patent Litigation 154 F. Supp. 2d 157 (D. Mass. 2001), aff''d sub. nom. SmithKline Beecham Corp. v. Copley Pharm., No. 01-1611, 45 Fed. Appx. 915 (Fed. Cir. Aug. 15, 2002).

    ph 212.687.2770 ext. 120
    fax 212.972.5487
    kcheng@cplplaw.com
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