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Jason Markwell Toronto Lawyer

Jason Markwell

Partner Fasken
Provides clients with practical advice to protect and enforce their intellectual property rights.
Jurisdiction Ontario, 1999
Language(s) English
Office(s) Toronto

Jason Markwell is a leading patent litigator in Canada. He represents pharmaceutical and biotechnology companies in patent infringement, patent validity (impeachment) and damages actions, including cases under the Patented Medicines (Notice of Compliance) Regulations and in disputes relating to data protection, drug approvals, drug pricing (PMPRB), drug product interchangeability, and reimbursement. Jason also has experience in patent cases involving the financial services, telecommunications and oil & gas industries, in trade-mark infringement actions, and in a wide-range of other litigation matters.

Jason has been recognized as a leading intellectual property lawyer by Chambers & Partners, IAM Patent 1000, The Best Lawyers Canada, Who’s Who Legal, IP Stars, Martindale Hubbell, Benchmark Litigation (IP Litigator of the Year, 2017), Managing Intellectual Property (Outstanding IP Practitioner - Canada, 2019), and LMG Life Sciences (Lawyer of the Year, 2018, Patent Litigation). Jason is active in various intellectual property organizations, including the Intellectual Property Institute of Canada (IPIC) and the International Association for the Protection of Intellectual Property (AIPPI). Jason is a Fellow of the Litigation Counsel of America and is a member of the Advocates’ Society. Jason has appeared as counsel before the Supreme Court of Canada, the Federal Court of Appeal, the Federal Court, and the Ontario Superior Court of Justice in a number of high-stakes and precedent-setting decisions.

  • Recognized nationwide in Canada in Intellectual Property: Litigation, Chambers Global 2020
  • Best Lawyers in Canada 2020, The Best Lawyers in Canada 2014 to 2020
  • Chambers Canada, Chambers Canada 2019
The Best Lawyers in Canada Best Lawyers in Canada 2020 Recognized for Intellectual Property Law and Biotechnology Law
Chambers Canada Chambers Canada Recognized for Intellectual Property Litigation
Date Client


  • LLB Osgoode Hall Law School at York University
  • BSc (Hons) Queen's University

Memberships & Affiliations

  • Law Society of Upper Canada
  • The Advocates’ Society
  • Intellectual Property Institute of Canada
  • International Association for the Protection of Intellectual Property (AIPPI)
  • Chair, AIPPI Canada — Litigation Committee
  • Litigation Counsel of America, Fellow


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