LAWYER PROFILE
Simon Seida

Simon Seida

Canada 2026

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Ranked in 1 practice area

About

Provided by Blake, Cassels & Graydon LLP

Practice Areas

Simon's practice covers various fields of commercial litigation, including class actions, disputes between competitors, professional malpractice, and post-closing disputes. A seasoned class action litigator, Simon defends corporation faced with national or local class action proceedings in Québec involving consumer protection, product liability, securities, competition and public nuisance matters. In the course of his practice, he regularly appears before courts and administrative tribunals in Quebec, including for several trials, appeals and class action hearings on the merits.

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 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.

Chambers Review

Provided by Chambers

Chambers Canada Guide

Litigation: General Commercial - Québec

Band 5
Band 5

Individual Editorial
Montréal-based Simon Seida advises on commercial disputes as well as regulatory matters.
Editorial individuel

Simon Seida, basé à Montréal, conseille sur les différends commerciaux, ainsi que sur les questions réglementaires.

Strengths

Provided by Chambers

  • Simon is extremely efficient and offers clear guidance.

    Litigation: General CommercialChambers Canada Guide
  • Simon is very strategic, calm and is the voice of reason.

    Litigation: General CommercialChambers Canada Guide
  • I really enjoy working with Simon. He has a very analytical and academic mind but is nonetheless exceedingly practical.

    Litigation: General CommercialChambers Canada Guide
  • Simon est extrêmement efficace et offre des conseils clairs.

    Litigation: General CommercialChambers Canada Guide
  • J’aime vraiment travailler avec Simon. Il a un esprit très analytique et académique, mais il est néanmoins extrêmement pragmatique.

    Litigation: General CommercialChambers Canada Guide
  • Simon est très stratégique, calme et est la voix de la raison.

    Litigation: General CommercialChambers Canada Guide

Ranked Individuals at Blake, Cassels & Graydon LLP (236)

Alberta

British Columbia

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