• Jayashree Mitra
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Jayashree Mitra

Jayashree Mitra



Dr. Jayashree Mitra focuses on patent litigation, including Hatch-Waxman patent litigation. She represents clients in federal court and before the Patent Trial and Appeal Board and the International Trade Commission in a full range of patent litigation, including Hatch-Waxman actions, inter partes review, post-grant review proceedings, and trade secret disputes. She also advises clients in the cannabis industry and psychedelic industry on regulatory compliance, helping them align their IP strategies to comply with FDA and DEA regulations and guidance.

Jayashree is well known for her detailed understanding of the pharmaceutical, biotechnology, cannabis, psychedelics, and emerging technology sectors. A former neuropharmaceutical researcher at Yale University, Jayashree's technical knowledge extends to small molecules, protein therapeutics, protein conjugates, vaccines, injectables, biologics, and biosimilars, as well as blockchain and data privacy. She has particular insight into the science underlying innovative cannabis technology products and psychedelics. Her research in neuropharmacology at Yale specifically involved analyzing the effects of psychoactive substances on the developing brain.

She also has experience handling antitrust matters, as well as intellectual property due diligence and technology agreements for mergers, acquisitions, and other corporate transactions. She is recognized as a certified information privacy professional (CIPP/US) by the International Association of Privacy Professionals.

Jayashree engages in extensive pro bono work, including criminal appeals and death penalty cases.


  • Represented a manufacturer of devices for the cannabis industry in federal court in litigation involving enforcement of patent concerning vape-filling technology.
  • Represented clients in the cannabis industry in developing intellectual property portfolios.
  • Represented clients in the cannabis industry on regulatory compliance and FDA regulations.
  • Represented a global pharmaceutical company in federal court in litigation involving enforcement of patents covering the client's drug for treating pain and epilepsy, achieving victory at trial in which the patents were held valid and infringed.
  • Represented a global pharmaceutical company in federal court in litigation involving patents related to a drug for treatment of depression.
  • Advised a global pharmaceutical company in multiple patent litigations across multiple international jurisdictions on patents for a drug used in treating epilepsy and pain.
  • Represented a major pharmaceutical company in a lawsuit filed by a state attorney general involving Sherman Act, antitrust, and consumer protection claims.
  • Represented major pharmaceutical company in federal class action antitrust litigations accusing the company of delaying entry of generic competition through alleged fraud on the U.S. patent office and sham patent litigation.

Speaking Engagements

  • “IP Litigation and Administrative Proceedings: A Global Overview of Managing Cannabis Conflicts,” 2023 Global Cannabis Intellectual Property Symposium, International Cannabis Bar Association (September 29, 2023)


  • Northwestern Pritzker School of Law (J.D., 2008)
    • Northwestern University Law Review
  • Yale University (Ph.D., 2003)
  • All India Institute of Medical Sciences (M.S., 1996)
  • Rammohan College, University of Calcutta (B.S., with honors, 1994)
Bar Admissions
  • New York
Industry Specialization Certifications
  • Bengali
  • Hindi
Court Admissions
  • New York State Courts
  • U.S. Supreme Court
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Southern District of New York


  • Partner, Fox Rothschild LLP, New York, NY (2021–2023)
  • Partner​, Zuber Lawler, New York, NY (2018–2021)
  • Intellectual Property Litigation and Antitrust Associate, White & Case LLP, New York, NY (2008–2018)

Areas of Focus


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