Ronald G. SlaghtQ.C. LSM


Ronald* , a founding partner at Lenczner Slaght, is known for a stare that can stop you in your tracks. His extraordinary commercial litigation skills have been known to stop many an opponent, too. As the man who wrote the book on civility, Ronald sees§ the path to victory for his clients while always maintaining his professionalism, both inside and outside the courts. He was honoured by the Law Society of Upper Canada for his work in civility, and has made it his mission to return civil discourse to legal proceedings. Ronald is famed as a redoubtable negotiator, disarming his opponents with brilliant arguments and an impeccable capacity to see solutions , no matter how intractable the issue. His formidable reputation as a litigator is only matched by his revered leadership role as one of the profession’s senior statesmen. .



Ronald G. Slaght , Q.C. LSM

is counsel and one of the five founding partners at Lenczner Slaght.

"Recognized by the legal community as one of Canada's pre-eminent litigation lawyers, Ronald Slaght is credited with leading the profession in re-establishing civility as a shared expectation among all engaged in the practice of law." — The Law Society of Upper Canada

Extraordinary negotiating abilities, superb advocacy and sophisticated business acumen ensure Ronald's continued leadership among Canadian litigators. In addition to a formidable reputation in commercial litigation, he has built an eclectic practice based on his vast experience in administrative, real property, intellectual property and medical matters.

Ronald has received the highest honours from leading lawyers' organizations for his advocacy and his contributions to the legal profession. He now often serves as an arbitrator and mediator of commercial disputes.

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  • American College of Trial Lawyers - Fellow

  • The Advocates' Society - Past President

  • Ontario Civil Rules Committee - Member

  • University of Toronto Tribunal - Vice-Chair

  • University of Toronto, Faculty of Law - Former Head, Trial Practice Program,

  • Canadian Bar Association

  • Ontario Bar Association - Alternative Dispute Resolution Section
    Civil Litigation Section
    Class Actions Law Section

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  • Benchmark Canada (2014-2015)

    Local Litigation Star - Arbitration, General Commercial, Intellectual Property

  • Best Lawyers (2006-2017)

    Appellate Practice, Bet-the-Company-Litigation, Class Action Litigation, Corporate and Commercial Litigation, Director and Officer Liability, Intellectual Property Law, Legal Malpractice Law, Medical Negligence, Personal Injury Litigation, Product Liability Law, Securities Law

  • Best Lawyers (2015)

    Toronto "Lawyer of the Year" in Appellate Practice

  • Best Lawyers (2016)

    Toronto "Lawyer of the Year" for leadership in Bet-the-Company Litigation

  • Canadian Legal Lexpert® Directory (2012-2017)

    Class Actions, Commercial Arbitration, Litigation - Corporate Commercial, Litigation - Directors' & Officers' Liability, Litigation - Product Liability, Litigation - Public Law, Litigation - Securities, Medical Negligence, Professional Liability

  • Chambers Global (2012 - 2016)

    Dispute Resolution: Ontario: Canada

  • Lexpert Guide to the Leading US/Canada Cross-border Litigation Lawyers in Canada (2015)

    Commercial Litigation, Class Actions, Securities Litigation, Product Liability

  • Lexpert® (2002)

    One of Canada's top 25 commercial litigators

  • Lexpert® Ranked Litigators, Report on Business Special Edition (2013-2016)

  • Lexpert®/American Lawyer Guide to the Leading 500 Lawyers in Canada (2012-2015)

    Corporate Commercial Litigation, Directors' & Officers' Liability, Securities Litigation, Class Actions

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