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Julie Desrosiers patent lawyer in Montreal

Julie Desrosiers

Partner Fasken
A new more effective and balanced patent linkage system will ensure that results are predictable and final for the pharmaceutical industry and generic drug manufacturers.
Jurisdiction Quebec, 1991
Language(s) French, English
Office(s) Montréal

Julie Desrosiers practices intellectual property litigation. Julie regularly acts on behalf of high-tech corporations and advises clients on injunctions, seizures and proceedings to protect their intellectual property, trade secrets and strategic information.

Julie’s practice is currently focused almost exclusively on patent litigation. A seasoned litigator, she has been involved in several important patent infringement cases in the pharmaceutical sector. She appeared before the Supreme Court of Canada on behalf of the International Federation of Intellectual Property Attorneys and has served as counsel during various patent infringement cases ranging from helicopter landing gear to complex chemical molecules used to manufacture drugs. She has also acted in major copyright disputes resulting in precedent-setting decisions.

Widely sought for her opinion on issues concerning the patent linkage system, Julie often delivers seminars on patent litigation and is recognized for her expertise by Chambers, the Canadian Legal Lexpert Directory and IAM Patent 1000.  She was recently listed in IP STARS Top 250 Women in IP.

Chambers Canada mention that Julie "is respected for her impressive ability in international patent litigation. One source emphasised : "She put in one of the best performances I’ve ever seen in the Supreme Court." She is particularly knowledgeable on patent protection issues in the pharmaceuticals and technology sectors […]".

Julie is a member of the board of directors of the firm.

  • Recognized nationwide in Intellectual Property: Litigation by Chambers Canada, Chambers Canada 2018 to 2021
  • Recognized in the area of Intellectual Property Law by the Best Lawyers in Canada, The Best Lawyers in Canada 2015 to 2021
  • Recognized as a Life Sciences Star by LMG Life Sciences , LMG Life Sciences 2020
Date Client


  • LLB, BCL Université de Montréal
Article Canada and EU Comprehensive Economic and Trade Agreement (CETA) reached in principle: What is the impact on pharmaceutical patents?
Article The law of trade secrets in Quebec and in Canada: A pragmatic approach
Business Issues: Future Outlook Plenary - 7th Fasken Martineau Symposium location location Montreal
CETA Issues: Canadian and Non-Canadian Pharmaceutical IP Regimes Comparison Comprehensive Economic and Trade Agreement (CETA) Information Seminar


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