Paromita (Mita) Chatterjee is an associate in the Litigation practice and is based in the firm’s Washington, D.C. office.
Her practice focuses on intellectual property disputes before the Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office (USPTO). In addition, Ms. Chatterjee counsels clients on protecting intellectual property rights, including conducting pre-litigation analyses and advising on offensive and defensive litigation strategies. She also has experience on matters in U.S. district courts and before the U.S. Court of Appeals for the Federal Circuit.
Ms. Chatterjee has been involved in more than 50 inter partes review (IPR), covered business method (CBM), and post-grant review (PGR) proceedings. As back-up counsel, she manages the preparation of written submissions, takes and defends technical expert depositions, and second-chairs oral arguments. Ms. Chatterjee's practice encompasses a wide variety of technologies, including mechanical devices, consumer electronics, chemical technologies, and pharmaceuticals, with a particular emphasis on medical devices.
Before joining Paul Hastings, Ms. Chatterjee was a patent agent and patent attorney at an intellectual property boutique firm where she gained significant experience drafting and prosecuting patent applications. She also worked at the Johns Hopkins University Technology Transfer Office.
Ms. Chatterjee devotes a portion of her time to pro bono matters. She has written briefs on behalf of veterans of military service before the U.S. Court of Appeals for Veterans Claims, represented clients in immigration court, and served as a Guardian Ad Litem for a young child in the D.C. Superior Court.
CoreLogic Wins IPRs
May 26, 2016
USPTO Proposes Changing Claim Construction Standard for IPRs, PGRs, and CBMs
May 10, 2018
A Divided Supreme Court Upholds Inter Partes Review’s Constitutionality but Constrains the Patent Office’s Authority
April 25, 2018
A First Look at the Impact of Recent Rule Changes on Patent Owner Preliminary Responses
April 12, 2017
Paul Hastings Team Secures IPR Trial Win for Zimmer Biomet Holdings, Inc.
March 22, 2017
More Rule Changes for PTAB Proceedings
April 04, 2016