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Simon Seida

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  • Defended corporations in dozens of consumer and competition-related class actions

  • Represented the mutual insurer of the large accounting firms in civil proceedings related to the longest-running judicial saga in Canada

  • Advised corporations during the course of investigations by government authorities, including during the execution of search warrants

  • Conducted internal investigations on behalf of public companies

  • Defended the executive of a public company in a securities class action

  • Represented a mining company in the context of one of the most important environmental investigation in Canada

  • Defended health-care, financial and legal professionals and their firms in malpractice claims

  • Represented financial institutions in the context of regulatory investigations and enforcement proceedings

  • Represented corporations in cases of alleged fraud, including cases involving provisional injunctions and seizures before judgment

  • Defended electronics manufacturers and distributors in product liability claims

  • Represented purchasers and sellers in the context of pre-closing and post-closing disputes

Awards & Recognition

Simon is recognized as a leading lawyer by the following publication:

  • Chambers Canada: Canada’s Leading Lawyers for Business 2020 (Up and Coming)

Professional Activities

Simon is a member of the New York State Bar, the Montreal Bar, the American Bar Association and the Young Bar Association of Montreal. He is also a member of the Quebec-Japan Business Forum.

At Blakes, Simon is a member of the Diversity & Inclusion Committee.

Professional Appearances
  • Guest Speaker: Course: Economic Crimes
    University of Montreal, Montreal, Québec, November 30, 2020.
  • Speaker: Reimagining Investigations in Pandemic Times
    Blakes Business Class Webinar, November 18, 2020.
  • Speaker: Competition Class Actions
    National Conference on Class Actions, Palais des congrès, Montréal, Quebec, October 22-23, 2020.
  • Speaker: Class Actions Arising Out of COVID-19 Responses: A Look Ahead
    Blakes Business Class Webinar, May 28, 2020.
  • Speaker: Responsabilité du fabricant au Québec : répercussions de la décision de la Cour d’appel dans le « dossier du tabac »
    Blakes Business Class Seminar, Montréal, Quebec, February 12, 2020.
  • Speaker: Business Crimes Seminar: From Incident to Informed Decision-Making: Digging into Internal Investigations
    Blakes Business Class Seminar, Toronto, Ontario, November 19, 2019.
  • Guest Speaker: Course: Economic Crimes
    University of Montreal, Montreal, Québec, December 10, 2018.
  • Speaker: Business Crimes Seminar: The Cutting Edge of Compliance
    Blakes Business Class Seminar, Toronto, Ontario, November 15, 2018.
  • Speaker: Economic Crimes: A Review of Canadian Offences
    Criminal Law Committee of the University of Montreal, Montreal, Québec, November 2, 2018.
Admitted to the Quebec Bar - 2010
Admitted to the New York State Bar - 2009
B.C.L./LL.B. (with Great Distinction), McGill University - 2008
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