LAWYER PROFILE
Monique Jilesen

Monique Jilesen

Canada 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Litigation: General Commercial

Ontario

8 years ranked

About

Provided by Lenczner Slaght

Canada

Practice Areas

Monique is Managing Partner at Lenczner Slaght. Monique is one of Canada’s leading litigators who clients turn to for their toughest commercial disputes. Her practice focuses on class actions, contract and shareholder disputes, civil fraud cases, injunctions, professional liability, bankruptcy and insolvency matters, and securities and derivatives cases. Monique’s clients include major financial institutions, professional service firms, pharmaceutical companies, technology companies, and other multinational corporations who routinely face challenging, cross-border disputes. She appears at all levels of Court and in administrative tribunals. Monique is a fearless advocate, unafraid to take on tough, notable, and high-profile cases, even at a moment’s notice. Monique’s extraordinary advocacy and leadership have been widely recognized through numerous honours, including the Douglas K. Laidlaw Award for Excellence in Advocacy, Fellowship in both the American College of Trial Lawyers and the International Academy of Trial Lawyers, inclusion in Toronto Life’s Top 50 Most Influential, and the Law Society Medal, among others.

Chambers Review

Provided by Chambers

Chambers Canada Guide

Litigation: General Commercial - Ontario

Band 2
Band 2

Individual Editorial

Monique Jilesen has wide-ranging commercial litigation experience, covering issues such as construction and real estate disputes, employee fraud and energy tariffs. Based in Toronto, she is Lenczner Slaght's managing partner.

Strengths

Provided by Chambers

  • Monique leads with confidence and clarity, but also exemplifies client dedication.

    Litigation: General CommercialChambers Canada Guide
  • She is exceptionally forthcoming with her awareness of the market and precedents, which helps to guide our materials.

    Litigation: General CommercialChambers Canada Guide
  • Monique is excellent from start to finish.

    Litigation: General CommercialChambers Canada Guide

Ranked Individuals at Lenczner Slaght (38)

Nationwide - Canada

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