LAWYER PROFILE
Louis-Martin O'Neill

Louis-Martin O'Neill

Canada 2026

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Ranked in 2 practice areas

About

Provided by Davies Ward Phillips & Vineberg LLP

Practice Areas

Louis-Martin is a litigation partner at Davies Ward Phillips & Vineberg in Montréal. He brings extensive experience in high-stakes litigation and special situations. His practice covers a broad spectrum of M&A, corporate, securities, commercial and insolvency disputes, court-supervised transactions and restructurings, investigations and white-collar matters. He has been involved in numerous major M&A and securities litigation cases in Québec, including the landmark Supreme Court of Canada’s decision relating to BCE’s proposed $52-billion privatization. He frequently advises boards on governance and sensitive issues. He has worked in the United Kingdom, and is acting for many international clients on multijurisdictional matters. Select Recognition: Fellow of the Litigation Counsel of America; The Legal 500 Canada; Benchmark Canada; Lexpert Rising Stars, Lexpert Special Edition: Litigation, Restructuring and Insolvency; The Canadian legal Lexpert Directory (Most Frequently Recommended); The Best Lawyers in Canada.

Chambers Review

Provided by Chambers

Chambers Canada Guide

Litigation: Securities - Québec

Band 2
Band 2

Individual Editorial
Louis-Martin O'Neill is an esteemed commercial litigator based in Montréal. He draws praise for his securities practice as well as for handling a wider selection of commercial mandates.
Editorial individuel

Louis-Martin O'Neill est un avocat réputé en litige commercial basé à Montréal. Il est loué pour sa pratique en valeurs mobilières ainsi que pour la gestion d’un plus grand nombre de mandats commerciaux.

Litigation: General Commercial - Québec

Band 2
Band 2

Individual Editorial
Louis-Martin O'Neill is an esteemed commercial litigator based in Montréal. He draws praise for his securities practice as well as for handling a wider selection of commercial mandates.
Editorial individuel

Louis-Martin O'Neill est un avocat réputé en litige commercial basé à Montréal. Il est loué pour sa pratique en valeurs mobilières ainsi que pour la gestion d’un plus grand nombre de mandats commerciaux.

Strengths

Provided by Chambers

  • Louis-Martin O'Neill is an excellent lawyer.

    Litigation: SecuritiesChambers Canada Guide
  • Louis-Martin is calm, composed and always responsive.

    Litigation: SecuritiesChambers Canada Guide
  • Louis-Martin makes things seem easy, is extremely efficient and knows exactly what to do to gets things done.

    Litigation: SecuritiesChambers Canada Guide
  • Louis-Martin O'Neill est un avocat excellent.

    Litigation: SecuritiesChambers Canada Guide
  • Louis-Martin rend les choses faciles, il est extrêmement efficace et sait exactement quoi faire pour faire avancer les choses.

    Litigation: SecuritiesChambers Canada Guide
  • Louis-Martin est calme, posé et toujours réactif.

    Litigation: SecuritiesChambers Canada Guide

Ranked Individuals at Davies Ward Phillips & Vineberg LLP (121)

Nationwide - Canada

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