Intellectual Property Attorney

William C. Gerstenzang devotes his practice to patent, trademark, and other intellectual property law, as well as trade secret law. He regularly represents domestic, and international clients in connection with the preparation and prosecution of patent and trademark applications, licensing agreements, due diligence, and nondisclosure agreements. Bill has practiced intellectual property law since 1974. Before he joined Norris McLaughlin & Marcus, he was a partner in the firm of Sprung Kramer Schaeffer & Briscoe and previously served as in-house counsel to Stauffer Chemical Company and Monsanto Company. The Intellectual Property Group serves clients in a variety of manufacturing, marketing, and service industries, including chemicals, pharmaceuticals, biotechnology, electronics, telecommunications, consumer foods, computer hardware and software, Internet, medical devices, health care, and banking.

Bar Admissions

  • New York
  • Massachusetts
  • Missouri
  • U.S. District Court
  • U.S. Court of Appeals
  • U.S. Patent and Trademark Office
  • U.S. Supreme Court


Western New England College School of Law, 1215 Wilbraham Rd, Springfield, MA 01119
J.D. - Juris Doctor - 1974
Western New England College, 1215 Wilbraham Rd, Springfield, MA 01119
M.B.A. - 1969
Clarkson College of Technology, 8 Clarkson Ave, Potsdam, NY 13699
B.Ch.E - 1962

Career Highlights

  • William C. Gerstenzang has earned the Martindale-Hubbell AV Preeminent® status


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