Josh Calabro

Josh Calabro

Associate, New York

Josh 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.  Calabro, J.D., et al., Magnetically driven three-dimensional manipulation and inductive heating of magnetic-dispersion containing metal alloys (PNAS 2010).  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.

Case Highlight
Rambus v. IBM 
B.P.A.I. (2012)

Josh was a member of the team that represented IBM in successfully obtaining a judgment in its second patent interference against Rambus. The technology at issue involved particular computer memory system configurations. The victory is the culmination of a decade-long controversy that included this interference, a first patent interference (Perego v. Drehmel, decided on June 24, 2010), and two related district court litigations.