McCarthy Tétrault LLP

William D Black

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Practice Areas

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, William's practice focuses in the conduct of trials and appeals in civil cases and before administrative tribunals. He has acted for numerous physicians over the years, most often in civil claims, but also before administrative tribunals, and on appeals. He also acts regularly for accounting firms, as well as a number of banks, shareholders and businesses in a wide range of commercial disputes.


Ontario Bar, 1989

Professional Memberships

CBA, OBA, MLST, Advocates Society


Numerous publications on an array of topics relative to medical malpractice cases, as well as articles relating to professional negligence in other settings