Department profile
Koskie Minsky LLP

Dispute Resolution: Class Action (Plaintiff)

Canada Guide 2026 : Nationwide - Canada

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Koskie Minsky LLP

Rankings

Chambers Review

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

Band 1

What the Team is Known For
Koskie Minsky operates a leading Toronto-based class action group, representing plaintiffs from both the public and private sectors throughout every stage of class proceedings and at all levels of court. The firm commands considerable respect for its representation of plaintiffs in residential schools and Crown liability and government negligence cases. Its other areas of expertise include securities, consumer protection, product liability and environmental actions.
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Strengths

Provided by Chambers

  • Koskie Minsky is a strong player in the space.

    Dispute Resolution: Class Action (Plaintiff) respondentCanada

Notable Practitioners

Provided by Chambers

  • Celeste Poltak
    Celeste Poltak

    Celeste Poltak

    Celeste Poltak stands out for her work on high-profile class actions and her experience in appellate proceedings. She is based in Toronto.

    • Celeste is at the forefront of the space.

      Dispute Resolution: Class Action (Plaintiff) respondentCanada
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  • Kirk M. Baert
    Kirk M. Baert

    Kirk M. Baert

    Toronto-based Kirk Baert possesses a wealth of class action experience and heads the firm's class action group. He is regularly instructed to handle high-profile cases on a broad range of issues, including those relating to securities and public law.
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  • James Sayce
    James Sayce

    James Sayce

    James Sayce is based in Toronto and has a strong record for pursuing class action lawsuits on behalf of plaintiffs. He is particularly adept at assisting with cases involving securities, competition and consumer protection issues.

    • James Sayce is a brilliant litigator who is fearless and has achieved a lot.

      Dispute Resolution: Class Action (Plaintiff) respondentCanada
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  • Jonathan Ptak
    Jonathan Ptak

    Jonathan Ptak

    Jonathan Ptak is highlighted in the market for his experience in the class actions space, with a particular focus on insurance and professional negligence. He has appeared before all levels of court in Ontario.
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Ranked Individuals at Koskie Minsky LLP (4)

Nationwide - Canada

  • Profile image of Celeste Poltak

    Celeste Poltak

    Dispute Resolution: Class Action (Plaintiff)

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  • Profile image of Kirk M. Baert

    Kirk M. Baert

    Dispute Resolution: Class Action (Plaintiff)

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  • Profile image of James Sayce

    James Sayce

    Dispute Resolution: Class Action (Plaintiff)

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  • Profile image of Jonathan Ptak

    Jonathan Ptak

    Dispute Resolution: Class Action (Plaintiff)

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