Madeleine Dusseault

Madeleine Dusseault


Miller Thomson LLP

Recognized since 2026

Toronto, Ontario

Practice Areas

Corporate and Commercial Litigation

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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.

Location
  • Scotia Plaza
    40 King Street West, Suite 6600
    Toronto, ON M5H 3S1
    Canada
Education
  • University of Toronto, J.D., graduated 2018
Bar Admissions
  • Ontario, Law Society of Ontario, 2019

Miller Thomson LLP
Headquarters: Toronto, Ontario

190 The Best Lawyers in Canada awards

28 Best Lawyers: Ones to Watch in Canada awards

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

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