Greg Temelini

Direct: 416-479-9686
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Legal Education
Osgoode Hall Law School
Year of Call: Ontario 2002


Greg has represented clients at the Supreme Court of Canada, every level of Court in Ontario, as well as the World Trade Organization in Geneva, Switzerland.

As an experienced advocate, Greg litigates complex commercial cases involving novel issues.  He represents a broad range of clients including governments, major financial institutions, large multi-national corporations, professional regulatory bodies, officers and directors, and various industry associations.

Greg routinely provides advice to clients in regulatory investigations, enforcement proceedings and registration matters before the Ontario Securities Commission (OSC), the Investment Industry Regulatory Organization of Canada (IIROC) and the Mutual Fund Dealers Association (MFDA).

As part of his practice, Greg has developed an expertise in administrative law, judicial review and appellate advocacy.  Greg has lectured and been published on these topics including in The Advocates’ Journal.  Greg acted for the successful Appellant in Antrim Truck Centre Ltd. v. Ministry of Transportation at the Supreme Court of Canada.

Prior to founding Wright Temelini LLP, Greg was a partner at a downtown Toronto litigation boutique.

Greg started his career as counsel for the Trade Law Bureau of the Department of Foreign Affairs and International Trade and litigated for Canada at the World Trade Organization in international disputes.


Greg is regularly asked by the Law Society of Ontario to chair programs for the professional development of lawyers.  Greg also speaks at other educational programs and has instructed at the Osgoode Hall Intensive Trial Advocacy Workshop. 

A full list of Greg’s speaking engagements is available on the Wright Temelini LLP website at this link.


Greg graduated from Osgoode Hall Law School in the top ten percent of his class. He was called to the Ontario Bar in 2002.  He earned an honours degree with distinction from Wilfrid Laurier University.


Greg is a member of The Advocates’ Society.