He has broad experience in all stages of the patent litigation process, from pre-suit investigation through appeal. He has litigated cases in the U.S. District Courts, the U.S. International Trade Commission and the Federal Circuit.

Before his legal career, T.J. worked at several Massachusetts-based semiconductor capital equipment companies in various engineering and technical marketing positions. His semiconductor wafer processing experience includes dark field metrology, thermal processing, and ion implantation. He is also a certified C# .NET solutions developer, with experience in the design and implementation of web enabled front office software solutions. T.J. also served as a Surface Warfare Officer in the U.S. Navy, where he gained extensive experience in the practical application of mechanical, steam, and electrical engineering.

Prior to joining Sunstein, T.J. founded Hunter Clark, an intellectual property law firm, and also was a member of the Intellectual Property Section at the law firm Mintz, Levin, Cohn, Ferris Glovsky & Popeo P.C.

T.J. is admitted to practice in Massachusetts and is registered to practice before the U.S. Patent and Trademark Office.

Honors

• Recognized in Massachusetts Super Lawyers®, part of Thomson Reuters, in 2013-2014 and 2023.
  • Recognized in Massachusetts Rising Stars, 2011-2012