Terrence J. O'Sullivan, LSM
Partner

Lax O'Sullivan Lisus Gottlieb LLP

145 King St W, Suite 2750
Toronto, ON M5H 1J8
Phone: (416) 598-3556
Fax: (416) 598-3730
E-mail: tosullivan@counsel-toronto.com
 
 
 

Terrence J. O’Sullivan was called to the Bar of Ontario in 1973. His practice includes civil and commercial litigation with an emphasis on business disputes, financial institution litigation, class actions, defence of regulatory charges and professional discipline matters. He regularly appears in all levels of courts in Ontario and other provinces including the Supreme Court of Canada. Mr. O’Sullivan is a Fellow of the American College of Trial Lawyers, a Fellow of the International Academy of Trial Lawyers and a past president of The Advocates’ Society of Ontario. He was a co-author of the Civil Justice Review (volumes one and two) and is former chair of the Joint Committee on Court Reform of the province of Ontario. Mr. O’Sullivan writes and speaks extensively and is an occasional lecturer and demonstrator for the Osgoode Hall Intensive Advocacy Program. Mr. O’Sullivan also acts as a mediator and an arbitrator. He was awarded the Law Society Medal for his contributions to the profession in 2010.


Year Called to the Bar:1973 (ON)
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Litigation - Corporate Commercial
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Litigation - Directors' & Officers' Liability
Professional Liability
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Litigation - Securities
Class Actions