Norris McLaughlin & Marcus, P.A.
< Back to Attorney Listing
C. Bruce Hamburg
New York
(212) 808-0700

Contact this Attorney

C. Bruce Hamburg

Bruce Hamburg, a Member of the firm and a registered U.S. patent attorney, handles all aspects of U.S. patent, trademark, copyright, trade secret, unfair competition, and internet law. He has handled the filing and prosecution of thousands of patent and trademark applications.

Bruce counsels clients regarding routine and complex intellectual property matters. He has successfully prosecuted patent applications of major international corporations in a vast variety of technologies, including heavy machinery, biotechnology, polymers, organic and inorganic chemistry, complex mechanical and electromechanical devices and systems, medical devices, pharmaceuticals, metallurgy, materials science, and control devices and systems. He has guided patent, trademark, and copyright litigation and has rendered many formal opinions.  He has also negotiated and drafted license agreements.

Prior to joining Norris McLaughlin, Bruce was managing and majority partner of the internationally well known IP boutique law firm Jordan and Hamburg, LLP. Before that, he was a patent attorney in the legal department of a Fortune 100 corporation. Bruce began his career as an examiner in the U.S. Patent Office, where he received Superior Performance Awards.

Bruce is the author of a treatise entitled, “Patent Fraud and Inequitable Conduct,” and treatises entitled, “The Doctrine of Equivalents in the U.S.,” one edition of which was published in Japanese and a subsequent edition published in Korean. He is an author or co-author of several annual editions of the Patent Law Handbook and is the U.S. representative for the periodical Patents and Licensing.  He has also been a contributing editor to the compendium Patents Throughout the World.

Bruce has often lectured before members of organizations of patent attorneys in Japan and Korea. Since early in his career, he has been a Martindale-Hubbell AV-rated attorney.  He has also been named in Who’s Who in America and Who’s Who in Law.

Bruce is a member of Tau Beta Pi, the engineering academic honor society, and Omega Chi Epsilon, the chemical engineering academic honor society.


  • George Washington University, J.D.
  • Polytechnic Institute of Brooklyn (now a part of NYU), B.Ch.E.


Bar Admissions

  • New York
  • U.S. Supreme Court
  • U.S. Court of Customs and Patent Appeals
  • U.S. District Court
    • Southern District of New York
    • Eastern District of New York
  • U.S. Court of Appeals
    • Federal Circuit
  • U.S. Patent and Trademark Office

Professional Affiliations

  • American Intellectual Property Law Association
  • New York Intellectual Property Law Association
  • International Association for the Protection of Intellectual Property
  • International Federation of Intellectual Property Attorneys
  • International Trademark Association
  • Licensing Executives Society