William J. Spatz Email: wspatz@lmiplaw.com - Lucas & Mercanti, LLP

William J. Spatz


William J. Spatz has more than 30 years of experience in intellectual property counseling, transactional matters, litigation and registration procurement, including five years as in-house patent counsel to an international conglomerate. He has vast experience handling the intellectual property aspects of business mergers, acquisitions, divestitures and joint ventures.

Mr. Spatz represents clients having businesses in the areas of consumer goods, chemicals, pulp and paper, mining, metallurgy, food and beverages, computer software and e-commerce. His work in these specialties has encompassed all phases of intellectual property law, including securing, maintaining, licensing and litigating related patents, trademarks, copyrights and trade secrets in the United States and throughout the world.

He has successfully handled patent, trademark and trade dress cases in the federal and state courts, and inter partes proceedings in the Patent and Trademark Office, but he concentrates on proactive intellectual property management to avoid litigation, while achieving his client's business objectives.



  • St. John's University School of Law J.D.
  • Manhattan College B.S., Chemical Engineering


  • New York State Bar
  • U.S. Patent and Trademark Office
  • U.S. Court of Appeals; Federal Circuit
  • U.S. District Court; Southern District of New York
  • U.S. District Court; Eastern District of New York
  • U.S. Court of Claims