Vincent M. de Grandpré | Intellectual Property Litigation Lawyer

Vincent M. de Grandpré

Partner, Intellectual Property

Contact Information

tel: (TO) 416.862.6570
(MTL) 514.904.5780



Bar Admission

Ontario, 2003

New York, 2001

Québec, 1997


  • Columbia University, LL.M.
  • McGill University, LL.B. and B.C.L.
  • Bishop’s University, B.A.


English, French

Vincent’s practice focuses on helping clients in innovation-intensive industries, including the pharmaceutical, biotechnology and technology industries.

Vincent assists clients in bringing new products and services to market, or in preserving their market position, by strategically obtaining or litigating intellectual property rights.

In addition to providing commercial advice, Vincent appears before all levels of Canadian courts, in both English and French, including the Federal Court and the Federal Court of Appeal. From 2000 to 2003, Vincent practised intellectual property and commercial litigation at a leading New York firm.  After graduating from law school, Vincent served as a law clerk to Chief Justice Antonio Lamer of the Supreme Court of Canada.

    • Represented pharmaceutical and biotechnology clients in proceedings under the Patent Act and the Patented Medicines (Notice of Compliance) Regulations;
    • Represented clients in the communications, technology, construction and consumer products industry in patent infringement actions;
    • Represented clients in various industries in trademark enforcement and opposition proceedings
    • Represented life sciences clients in their dealings with Canadian federal and provincial health regulatory authorities, including in judicial review litigation


  • Chambers Canada: Canada’s Leading Lawyers for Business: Recognized in Intellectual Property Litigation
  • Chambers Global: The World’s Leading Business Lawyers: Recognized in Intellectual Property
    • "...[Vincent] is a well-regarded practitioner who handles a broad array of IP matters. Interviewees single him out for his impressive work in patent litigation involving the pharmaceutical industry."
  • The Canadian Legal Lexpert Directory: Recognized in Intellectual Property; Litigation - Intellectual Property
  • Best Lawyers in Canada: Recognized in Intellectual Property Law
  • Legal 500: Recognized as Recommended Lawyer, Intellectual Property
  • Who’s Who Legal: Recognized in Life Sciences, Patent Litigation (International); Life Sciences (Canada)
  • Intellectual Asset Magazine: Patent 1000: World's Leading Patent Professionals: Recognized in Litigation as one of the world’s leading patent litigators

  • Intellectual Property Institute of Canada(IPIC), member and Chair of Indigenous IP Advisory Goup
  • Canadian Bar Association
  • Advocates’ Society
  • American Bar Association

  • Federal Court Issues Landmark Website-Blocking Injunction with Significant Implications for ISPS (2020), V. de Grandpré, C. Naudie and S. Young, 20 I.E.C.L.C. 69 (January 2020)
  • Patents: 2019 in Review (presenter), Law Society of Ontario, 24th Intellectual Property Law:  The Year in Review, Toronto, January 16, 2020
  • Federal Court Issues Landmark Website-Blocking Injunction with Significant Implications for ISPS, Ontario Bar Association (OBA), V. de Grandpré, C. Naudie and S. Young, December 2, 2019
  • Non-Traditional Trade-marks and Scandalous Trade-marks in Canada (presenter), American Intellectual Property Law Association (AIPLA), 2017 AIPPI-US Global IP Educational Forum, Chicago, IL, July 13, 2017
  • Examining Expert Witnesses: Advanced Skills Workshop (instructor), Osgoode Hall Law School Professional Development, Toronto, November 30, 2016
  • Pharma and Biosimilar Litigation in Canada – Navigating the PM(NOC) Regulations (co-chair), Ontario Bar Association, Toronto, October 5, 2016
  • Procedure in the Federal Court (presenter), Federal Courts Practice:  A Primer, Ontario Bar Association, Toronto, November 5, 2015