Terrence O'Sullivan

Terrence O'Sullivan

Bio

Terry is frequently retained and has acted as sole arbitrator, party nominee, chair, and appointed independent fact finder in arbitrations and mediations involving important commercial matters, often of an international nature. 

Terry had a broad commercial litigation practice, with particular expertise in business-related litigation including contract disputes, shareholder disputes, oppression remedies and securities litigation. He represented clients before all levels of Ontario Courts, the Federal Court, and the Supreme Court of Canada.

Terry is an active member of the legal profession, having published more than 70 papers on diverse litigation topics and acted as the long-time host for events such as the Canadian General Counsel Awards.  He is a Fellow of the American College of Trial Lawyers and the International Academy of Trial Lawyers.  Terry is a recipient of the Law Society of Ontario’s Medal for his outstanding contribution to the legal profession, and is a recipient of the Gold Key Award for Achievement from the Osgoode Hall Law School Alumni Association.  He is also a Past President of The Advocates' Society.

As one of the founding partners of the firm, Terry takes great pride in its ongoing culture of exceptional litigators who are collaborative, personable and directly available to their clients.

*Terry’s arbitration and mediation practice is conducted by him separately and independently of the firm.

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  • Credentials

  • Memberships

 

  • The Canadian Academy of Distinguished Neutrals, Member
  • Harvard Law School Negotiation & Mediation Course
  • Chartered Institute of Arbitrators (MCIArb)
  • Called to the Ontario Bar, 1973
  • LL.B., Osgoode Hall Law School, 1971
  • B.A., University of Toronto, 1968
  • Sunnybrook Foundation, Director and Chair (and the 2011 Recipient of the Rose Award for Volunteer of the Year)
  • Women’s College Hospital, Past Director 
  • Toronto Rehab Hospital, Past Director