LAWYER PROFILE
Peter Griffin KC

Peter Griffin KC

Canada 2026

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Ranked in 2 practice areas

About

Provided by Lenczner Slaght

Practice Areas

Peter is recognised by his peers as a top litigator in Canada with extensive experience in corporate commercial litigation, class actions, securities, insolvency and restructuring, professional liability, and director and officer liability. He has appeared before all levels of court in Ontario and the common-law provinces, and before the Supreme Court of Canada. He regularly advises boards of national and multinational companies. He represents clients in arbitration and alternative dispute resolution proceedings and acts as an arbitrator in commercial disputes. Peter is Past President of The Advocates’ Society, a Fellow of the American College of Trial Lawyers and Past Chair of its Ontario Province Committee. In 2023, Peter received the King’s Counsel designation in recognition of his commitment to the pursuit of legal excellence in service to the Crown, the public and their communities. Peter has been recognized with both the prestigious Law Society Medal and The Advocates’ Medal for his exceptional advocacy, unwavering commitment to education and mentorship, and involvement in positively advancing the legal profession.

Chambers Review

Provided by Chambers

Chambers Canada Guide

Litigation: General Commercial - Ontario

Band 1
Band 1

Individual Editorial

Peter Griffin KC commands a formidable reputation as a litigator and remains the counsel of choice for many high-profile corporates for their high-stakes commercial disputes. He is based in Lenczner Slaght's Toronto office, and his reputation extends across the country and beyond.

Dispute Resolution: Class Action (Defence) - Nationwide - Canada

Band 2
Band 2

Individual Editorial
Peter Griffin KC is a hugely well-regarded litigator with a stellar reputation in Canada. Based in Toronto, he handles class actions as part of his wider disputes practice, and has notable experience in product liability and professional negligence claims.

Strengths

Provided by Chambers

  • Peter has a great presence in the courtroom.

    Litigation: General CommercialChambers Canada Guide
  • He is a fabulous tactician and extremely well-respected industry figure.

    Litigation: General CommercialChambers Canada Guide
  • He is a go-to for any number of difficult legal problems.

    Litigation: General CommercialChambers Canada Guide
  • Peter Griffin is a top notch and approachable professional.

    Dispute Resolution: Class Action (Defence)Chambers Canada Guide
  • Peter is a talented lawyer.

    Dispute Resolution: Class Action (Defence)Chambers Canada Guide

Ranked Individuals at Lenczner Slaght (38)

Nationwide - Canada

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