Josh Calabro

Josh Calabro

Associate, New York

Josh Calabro litigates patent infringement cases.  He has written briefs, argued motions, deposed fact and expert witnesses, and managed discovery.  His experience includes district court (bench and jury) cases as well as four Federal Circuit appeals.  Josh also represents clients in proceedings before the United States Patent and Trademark Office, including both interferences and inter partes reviews (IPRs).  In addition, Josh conducts due diligence, prepares and negotiates settlement and license agreements, drafts opinion letters, and prosecutes patents.  He has worked on matters involving pharmaceutical and pet food formulations, dental imaging technologies, business methods, 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 joining the firm, 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.