Josh Calabro

Calabro Joshua

Josh Calabro litigates patent infringement and trade secret misappropriation cases. Josh 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 inter partes review proceedings before the U.S. Patent and Trademark Office (USPTO). 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 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
  • Dentsply Sirona




  • 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. Court of Appeals for the Third 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, 2024