Greg Temelini

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


Greg has litigated before the Supreme Court of Canada, every level of Court in Ontario, and the World Trade Organization in Geneva, Switzerland. In addition to securities litigation and appeals, he routinely provides advice and represents clients in securities and financial regulatory investigations, enforcement proceedings and registration matters before the Ontario Securities Commission (OSC) and Self Regulatory Organizations such as the Investment Industry Regulatory Organization of Canada (IIROC) and the Mutual Fund Dealers Association (MFDA).

Greg has represented a broad range of clients including major financial institutions, large multi-national corporations, the Government of Canada, professional regulatory bodies, and various industry associations. For example, he has represented and provided advice to the following clients: a multi-national oil company in an expropriation matter with the City of Toronto respecting the construction of the subway to York University; a major financial institution in securities litigation and regulatory investigations; and, a large industry association in employment litigation, an appeal to the Ontario Court of Appeal and related advice respecting internal by-laws and procedures.

Greg also has significant experience providing advice and representing clients before administrative tribunals including the Ontario Municipal Board.

Greg was co-counsel for the successful Appellant in Antrim Truck Centre Ltd. v. Ministry of Transportation, a recent decision of the Supreme Court of Canada which analysed and refined the law of nuisance.

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

Earlier in his career, Greg worked as counsel in the Trade Law Bureau of the Department of Foreign Affairs and International Trade where he appeared for Canada before the World Trade Organization in cases concerning the softwood lumber dispute with the United States and Canada’s regime for dairy product exports.


Greg has lectured and spoken at a variety of education programs including at the Law Society of Upper Canada.

For a selection of speaking engagements, please click here.


Greg received his J.D. from Osgoode Hall Law School in 2000 and graduated in the top ten percent of his class. He was called to the Ontario Bar in 2002. Greg earned an Honours Bachelor of Arts from Wilfrid Laurier University where he graduated with distinction in 1997.


Greg is a member of The Advocates’ Society.