Terrence O'Sullivan

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.

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

Terrence O'Sullivan

Bio

Select Representative Mandates

Acted as investigator for the Ontario Hockey League in its investigation of the ownership of the Flint Michigan Firebirds

Represented Rexall Pharmacy in the Supreme Court of Canada in a case involving an interpretation of an Ontario Government regulation prohibiting retail pharmacies from distributing their own label generic products

Successfully defended the National Hockey League in a claim brought by Labatt Brewing Company concerning an alleged obligation to continue negotiating a renewal of a multi-million dollar sponsorship agreement

Represented a leading Canadian brokerage house in an investigation by the RCMP into whether there insider profits were made with respect to changes to REIT legislation

Obtained Mareva injunctions freezing the assets of former employees and their families in two different cases of potential fraud perpetrated on the employer

Recognitions

Credentials