Terrence O'Sullivan Mandates

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  • Represented a leading Canadian pension fund in an investigation launched by the Ontario Securities Commission into insider trading

  • Representing a former CEO and major shareholder of Home Capital Group before the Ontario Securities Commission and in subsequent civil cases

  • Qikiqtani Intui Association v. Baffinland Iron Mines Corporation

    The Qikiqtani Inuit Association is the owner of lands in Nunavut which have been leased by Baffinland for an iron ore mine. The QIA was entitled to advance royalty payments of a certain sum until the …

  • Represented the Beaverbrook Foundation (on appeal) in respect of litigation between that Foundation and the Beaverbrook Art Gallery of New Brunswick

  • Represented a consortium of insurance companies in the Supreme Court of Canada in a case involving a constitutional challenge to the ability of provinces to regulate the sale of insurance products by chartered banks

  • Bent v. Platnick, 2020 SCC 23

    Acted for law firm in significant appeal to the Supreme Court of Canada concerning anti-SLAPP legislation.

  • Clifford v. Ontario Municipal Employees Retirement System (2009), 312 D.L.R. (4th) 70, 98 O.R. (3d) 210, 2009 ONCA 670

    Acted for OMERS Appeals Sub-Committee in obtaining dismissal of judicial review application.

  • Acting for a company in a claim brought against it relating to alleged sexual misconduct by an employee

  • Wilson v. Alharayeri, 2017 SCC 39

    Counsel to the appellant director at the Supreme Court of Canada in the leading case on personal liability of directors for oppression.

  • Represented Barrick Gold in the Asset-back Commercial Paper litigation and restructuring proceedings

  • MediaTube Inc. et al. v. Bell Canada et al., 2014 FC 237

    Acted for leading IP law firm on dismissal of disqualification motion.