Josh Calabro

Calabro Joshua

Josh Calabro litigates patent infringement and trade secret misappropriation cases. He has extensive experience with all phases of litigation, and he has argued at motion and Markman hearings, pretrial conferences, and trial. He also represents clients in proceedings before the United States Patent and Trademark Office, including both interference and inter partes review proceedings. In addition, Josh conducts due diligence investigations, drafts opinion letters on validity and infringement, and prepares and negotiates settlement and license agreements. Josh has worked on matters involving pharmaceutical and pet food formulations, dental imaging technologies, financial services, and computer memory systems.

Josh maintains an active pro bono practice. He recently obtained and collected a judgment under the Visual Artists Rights Act, as reported by Law360.

Josh has a degree in mechanical engineering with a focus on materials science. His senior research, published in the Proceedings of the National Academy of Sciences, was about magnetically driven three-dimensional manipulation and inductive heating of magnetic-dispersion containing metal alloys. Prior to attending law school, Josh worked at Yale University's technology transfer office (the Office of Cooperative Research), where he assisted with patenting and licensing inventions arising from Yale's labs.

In law school, Josh received the Lefever Prize for the best paper in the field of law and economics. As an undergraduate, he was awarded the Lichty & Waters Prize for high scholarship and original research in mechanical engineering.


Representative Clients

  • IBM




  • J.D. University of Pennsylvania Law School 2011
  • B.S. Mechanical Engineering Yale University 2007

Bar Admissions

  • New York

Court Admissions

  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York


  • The Best Lawyers in America, Ones to Watch, 2021 – 2022