Ronald G. Slaght


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 success for his clients while fostering true 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 insightful 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 counsel. .



Ronald G. Slaght

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." — Law Society of Ontario

Superb advocacy, extraordinary negotiating abilities 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 law, medical matters, and civil appeals.

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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  • The Advocates' Society - Past President

  • American College of Trial Lawyers - Fellow

  • Ontario Civil Rules Committee - Former 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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  • The Advocates' Society Medal (2010)

  • The Law Society of Upper Canada (2011)

    Law Society Medal

  • Toronto Lawyers Association (2009)

    Award of Distinction

  • Queen's Counsel (1985)

  • Benchmark Canada (2014-2015)

    Local Litigation Star - Arbitration, General Commercial, Intellectual Property

  • Best Lawyers in Canada (2006-2020)

    Alternative Dispute Resolution, Appellate Practice, Bet-the-Company Litigation, Class Action Litigation, Corporate & Commercial Litigation, Director & Officer Liability, Intellectual Property, Legal Malpractice, Personal Injury Litigation, Product Liability, Securities

  • Best Lawyers in Canada (2015)

    Toronto "Lawyer of the Year" in Appellate Practice

  • Best Lawyers in Canada (2016)

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

  • Best Lawyers in Canada (2020)

    Toronto "Lawyer of the Year" in Director and Officer Liability Practice

  • Canadian Legal Lexpert® Directory (2012-2019)

    Class Actions, Commercial Arbitration, Litigation - Corporate Commercial, Litigation - Directors' & Officers' Liability, Litigation - Product Liability (2018), Litigation - Public Law, Litigation - Securities, Medical Negligence, Professional Liability,

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