Madeleine Dusseault

Madeleine Dusseault

Toronto, ON recognized lawyers icon Recognized in Ones to Watch since 2026
Miller Thomson LLP

190 Best Lawyers awards

Miller Thomson LLP logo

Awarded Practice Areas

Corporate and Commercial Litigation

Biography

Madeleine Dusseault is a commercial litigator, and regularly achieves positive and cost-effective results for her clients. Madeleine has appeared before the Ontario Superior Court of Justice (including the Commercial List), the Divisional Court, the Ontario Court of Appeal, and in private arbitrations. Her areas of focus include commercial contract disputes, fraud claims, debt recovery, real estate litigation, shareholder disputes, defamation and professional liability. She also has considerable experience with prosecuting and defending matters involving injunctive relief. Madeleine prioritizes her clients’ legal and business needs, and is committed to working with clients to find practical, creative and cost-effective solutions to meet their goals.

Madeleine is a mentor to summer and articling students who aspire to practice in litigation, and is a member of the firm’s student recruitment committee. She maintains active memberships in the Advocates’ Society, the Ontario Bar Association, and the Canadian Bar Association.

Miller Thomson LLP

190 Best Lawyers awards

Miller Thomson LLP logo

Overview

  • University of Toronto, J.D., graduated 2018

  • Ontario, Law Society of Ontario, 2019
  • Ontario, Law Society of Ontario, 2019
  • University of Toronto, J.D., graduated 2018

Client Testimonials

Awards & Focus

Recognized in Best Lawyers: Ones to Watch in Canada 2026 for work in:
  • Corporate and Commercial Litigation

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