Lawyer Profile Detail

William D. Black






[email protected]



University of Toronto


Ontario, 1989


William Black is a partner in our Litigation Group in Toronto. His practice consists primarily of civil litigation with an emphasis on professional negligence and commercial litigation. In addition, Mr. Black’s practice focuses in the conduct of trials and appeals in civil cases and before administrative tribunals.

Mr. Black has extensive experience with professional liability claims and proceedings in the context of:

  • engineering - prosecuted matters for the Association of Professional Engineers for 15 years and was involved in various civil actions involving all manner of engineering issues;
  • mining - has acted for clients in litigation over environmental contamination from mining operations, and in connection with shareholder disputes relative to mining properties;
  • medicine - represented the Canadian Medical Protective Association and its members at all levels of court and various tribunals for 18 years; and
  • accounting - represented accounting firms in claims relating to auditors’ liability and other matters.

In addition, Mr. Black has acted for a number of banks, shareholders and businesses in a wide range of commercial disputes.

He is listed in the current edition of the Canadian Legal Lexpert Directory, a guide to the leading law firms and practitioners in Canada in the area of medical negligence.

Mr. Black has spoken and written on a number of topics, including privacy issues, privilege, risk management, various medico-legal issues, and on advocacy. He is a member of faculty at the University of Toronto Law School, teaching in the Trial Advocacy class.

He received his BA (magna cum laude) from Harvard University in 1983, and his LL.B. from the University of Toronto in 1987. Mr. Black was called to the Ontario bar in 1989.

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