Simon Seida
Partner | Montréal
Montréal: 514-982-4103

Simon's practice covers various fields of commercial litigation, including class actions, insurance disputes, professional malpractice, and post-closing disputes. In addition to regular civil proceedings, he represents clients in obtaining, or defending against, injunctions, seizures before judgment and other extraordinary proceedings. In the course of his practice, he regularly appears before courts and administrative tribunals in Quebec, including for several trials.

Simon also advises corporations and individuals in relation to regulatory or criminal matters, such as anti-corruption, competition, securities or financial matters. In this context, he advises clients in responding to search warrants and investigations by government authorities or in conducting internal investigations. He also defends clients in enforcement proceedings brought by government authorities and self-regulatory organizations, including public prosecutors and securities regulators.

Simon has advised national and international corporations on various matters dealing with dispute avoidance and resolution and with compliance with the penal provisions of statutes in Quebec and Canada.

Simon is fluent in French and English.

  • Defended corporations in 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 an insurer in civil proceedings relating to an international insurance program

Show Past:
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Blakes Bulletin on Business Crimes, Investigations & Compliance, October 30, 2017.
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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.
Speaker: What’s Next in Securities Litigation: Emerging Technologies and Industries
Blakes Business Class Seminar, Toronto, Ontario, February 8, 2018.
Blakes Business Class Seminar, Montréal, Quebec, October 11, 2017.
Speaker: Conducting an Internal Investigation: Best Practices
Blakes Business Class Seminar, Montréal, Quebec, February 7, 2017.
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