Matthew B. Lerner


Matt* was born in a suit. He kept one on for his business degree, and now wears them with style as a successful commercial litigator. Whether you need his representation in a shareholder dispute, real estate litigation or an insolvency matter, Matt means§ you get practical and solid advice for complex issues. With vast experience in the courtroom and the boardroom, Matthew is a go-to partner for advice that suits your business . He brings a direct approach to his dealings with clients and opponents. He understands that some disputes require resolution, while others call for an aggressive approach through trial. .



Matthew B. Lerner

is a partner at Lenczner Slaght.

Matthew’s litigation practice is focused on complex commercial litigation, real estate disputes, employment litigation and insolvency matters. He has tried cases involving shareholder disputes and the interpretation of commercial agreements, and represents clients regularly in commercial arbitration.

Matthew has also acted on behalf of directors and officers in the defence of large multi-jurisdiction class actions. He has been actively involved in a variety of insolvency proceedings, acting for the court-appointed officer or secured creditors. He also frequently acts on behalf of physicians in defence of malpractice matters.

Matthew has appeared as lead counsel at all levels of Court in Ontario and administrative tribunals.  Matthew’s clients span a wide-range of industries; his clients range from large real estate developers to public companies in the information and technology sector.

Since 2010, Matthew has been the Chair of the Lenczner Slaght Moot in Legal Ethics and Professionalism which is held annually for law students at Western Law.

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  • The Advocates' Society

  • Ontario Bar Association

  • Toronto Lawyers Association

  • Canadian Bar Association

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  • Benchmark Litigation (2017-2018)

    Under 40 Hotlist

  • Benchmark Canada (2018)

    Future Star

  • Best Lawyers (2018-2019)

    Corporate Commercial Litigation, Health Care Law, Medical Negligence

  • Canadian Legal Lexpert® Directory (2018)

    Medical Negligence, Professional Liability

  • The Legal 500 Canada (2018)

    Labour and Employment (Recommended Lawyer)

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