Thomas J. Vetter Email: - Lucas & Mercanti, LLP

Thomas J. Vetter


Thomas Vetter has more than 30 years of patent litigation and counseling experience working closely with domestic and foreign clients ranging from startups to Fortune 100 companies.

Tom’s experience includes appellate practice before the Federal Circuit, Hatch-Waxman litigation, and extensive experience in contested Patent Office proceedings, including interferences. His counseling skills include advising clients on issues of patentability, freedom to operate, patent validity, and licensing. He also counsels clients on trademark and copyright issues.

Tom has experience with a broad range of technologies. Some examples are recombinant DNA, sustained release and other drugs, polymer products and processes, chemical products and chemical reaction processes, physical and chemical separation processes, reverse osmosis, transdermal drug delivery systems, specialty alloys, GPS based systems, and mechanical devices and systems.


  • Purdue Pharma et al. v. Epic Pharma (Hatch-Waxman litigation concerning OxyContin® brand Oxycodone HCl extended release tablets)
  • Pfizer v. Sanofi (interference concerning conception of an isolated polynucleotide expressing the IL-13 binding chain/receptor protein)
  • Polimeri Europa (formerly Enichem) v. General Electric (interference concerning a process for the manufacture of dimethyl carbonate)
  • Zakoshansky (General Electric) v. Hertzog (Sunoco) (interference concerning a process for the conversion of cumene to phenol)
  • ExxonMobil v. Chevron Phillips (interference concerning the efficient recovery of diluants in a particle form slurry loop reactor used for making polyolefins)
  • Hratch Khedesian, Trustee, Mardikian 1991 Irrevocable Trust v. Bombardier Motor Corporation of America (U.S. District Court action concerning shock absorbing seats in personal watercraft)
  • Advanced Energy v. Astec (Emerson Electric) (U.S. District Court action concerning a reactive DC sputtering technology for preventing electrical arcs)
  • Key Pharmaceuticals (Schering Plough) (a series of ANDA litigations against a number of defendants concerning transdermal patches)



  • Disabled in Action v. Duane Reade (U.S. District Court action concerning the Americans with Disabilities Act and features of Duane Reade’s New York area stores that made them inaccessible to the mobility impaired)


  • American Bar Association
  • New York Intellectual Property Law Associatio - Section of Litigation and Section of Intellectual Property Law



  • Brooklyn Law School J.D., magna cum laude
  • Princeton University B.S.E., Chemical Engineering


  • New York State Bar
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court - Southern District of NY
  • U.S. District Court - Eastern District of NY
  • U.S. District Court - Eastern District of MI
  • U.S. Patent and Trademark Office