LAWYER PROFILE
Mason Poplaw

Mason Poplaw

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by McCarthy Tétrault LLP

Practice Areas

Partner in the Montréal office and a member of the firm’s Board of Partners. Known for his business acumen and broad experience as a corporate commercial litigator, Mason’s practice focuses primarily on corporate disputes, governance, securities, internal investigations, crisis management, insolvency, and restructuring.

Recognized for his ability to successfully manage litigation and investigations matters with a great deal at stake, Mason leverages his considerable corporate and financial industry knowledge to find practical solutions to complex disputes. Working with a range of clients including financial institutions, public and privately held corporations, members of board of directors and trustees, he takes a strategic approach to securities and banking class actions, financial product liabilities cases, financial frauds, corporate governance issues, plans of arrangement, liquidation, oppression remedies, complex contract disputes, and directors’ liabilities.

Clients appreciate Mason’s ability to gain insight into the dispute and bring the right angles and arguments before the court to achieve swift and successful resolutions. He has appeared before all Québec judicial courts, before the Supreme Court of Canada, and in numerous commercial arbitration proceedings.

Professional Memberships

Canadian Bar Association; The Advocate Society; Insolvency Institute of Canada; Turnaround Management Association; Risk Management Institute.

Chambers Review

Provided by Chambers

Chambers Global Guide

Dispute Resolution: Litigation - Canada

Band 1
Band 1

Individual Editorial
Mason Poplaw is well regarded among peers in Montréal and is particularly noted for his handling of complex class action litigation.

Strengths

Provided by Chambers

  • Mason is a top litigator.

    Dispute Resolution: LitigationChambers Global Guide
  • Mason is a skilled lawyer who is particularly adept at negotiation.

    Dispute Resolution: LitigationChambers Global Guide
  • Mason's strengths include dedication to his client, knowledge of the law and decisiveness.

    Dispute Resolution: LitigationChambers Global Guide

Ranked Individuals at McCarthy Tétrault LLP (124)

Australia

Canada

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership