• Admitted to the Bar of Ontario in 2005
  • Registered Canadian Trademark Agent (2009)
  • J.D., University of Toronto
  • Ph.D., Yale University (Chemistry)
  • B.A., Lawrence University (Chemistry, magna cum laude)
Junyi Chen is a senior lawyer at the firm. She practises intellectual property law with an emphasis on patent litigation and IP matters relating to health sciences.

Practice Areas

Junyi’s area of practice focuses on patent litigation, including pharmaceutical patents and mechanical patents. She has extensive experience with patent actions and judicial reviews as well as proceedings under the Patented Medicines (Notice of Compliance) Regulations. She also has experience with patent and trade-mark prosecution.

Her practice includes litigation management, preparation of expert evidence and advocacy. Junyi has appeared frequently before the Federal Court and the Federal Court of Appeal.

Junyi is fluent in Mandarin and has represented Chinese clients in patent and trademark litigation. Recently, she successfully resisted an interlocutory injunction representing a Chinese defendant in a mechanical patent infringement action.

In addition to being a lawyer, Junyi is a Registered Canadian Trademark Agent and holds a Ph.D. in Chemistry.

Professional Affiliations

  • Canadian Association of Professionals in Regulatory Affairs
  • Canadian Bar Association (CBA), Member
  • Ontario Bar Association (OBA), Member
  • Federation of Asian Canadian Lawyers
  • Intellectual Property Institute of Canada (IPIC), Associate
  • The Advocates’ Society, Member
  • Toronto Intellectual Property Group (TIPG), Member


June 1, 2017

Heather‎ Watts and Junyi Chen both spoke on the topic of Changes to the Patent Act resulting from CETA at the CAPRA Education Day on June 1, 2017.

November 4, 2016

Junyi Chen will be participating as a panelist to discuss non-infringing alternatives in patent damages in the Fifth Annual University of Toronto Patent Colloquium.  Other topics to be discussed at the Colloquium include: