Highlights

“Mantas is citing a lot, and I mean a lot, of case law to back up his arguments … Mantas is even throwing in some case law from the US, just for good measure.”

- Live courtroom Tweet by the CBC during oral argument in Guergis v. Prime Minister Stephen Harper, et al.

 
“In [Fasken Martineau’s] smaller Ottawa office, the firm houses 10 litigators, with Peter Mantas heading the group, which attends commercial litigation, class actions and a very healthy regulatory practice, with a strong international element as well."

- Benchmark Canada, the definitive guide to Canada's leading litigation firms and attorneys.

“Mr. Mantas will find it for you.”

- Judge’s advice to lawyer searching for document during his cross examination. Mantas’ team was able to quickly locate key documents among the hundreds of thousands of pages of electronic evidence in the hearing (R. v. Dowdall, et al.).

Education

  • LLB, 1992
    University of Ottawa
  • BA, Trinity College, 1989
    University of Toronto

Year of Call

  • Ontario, 1994
  • New York, 1993

Peter N. Mantas


Partner


+1 613 696 6886
+1 613 230 6423 (fax)

Peter Mantas is the head of the Ottawa litigation group and a member of the firm’s Litigation Management Committee.

An experienced litigation lawyer, Peter practices in the following areas of litigation: corporate / commercial litigation; class actions and mass litigation; shareholder and oppression remedies; proceedings involving the federal government including public procurement; competition, conspiracy and bid-rigging investigations and proceedings; fraud; defamation, libel and slander; injunctions; enforcement of restrictive covenants; and international / cross-border litigation. 

Peter has acted as counsel before the Ontario Superior Court of Justice, Ontario Court of Appeal, Federal Court of Canada (Trial and Appeal divisions), Supreme Court of Canada, courts in other Canadian provinces, Canadian International Trade Tribunal and NAFTA Panels.

Peter has considerable experience in cases involving large and complex document production. He is an avid user and proponent of technology in the litigation process in order to reduce costs and achieve better results.

Peter is the Secretary of the Ontario Bar Association’s Class Actions Section for 2012-2013. He is a guest lecturer at the University of Ottawa Law School on environmental class actions.

Peter was a law student at the Paris office of U.S.-based law firm, Cleary Gottlieb Steen & Hamilton, and at the Canadian International Trade Tribunal.

Honours and Awards

  • Ranked in the 2012 edition of Benchmark Canada, a guide to the top litigation lawyers in Canada, and described as a “rising star”.
  • Named one of Ottawa’s top "Forty Under 40" by the Ottawa Business Journal in 2000.

Membership/Affiliations

  • Canadian Bar Association
  • Ontario Bar Association
  • New York State Bar Association
  • County of Carleton Law Association
  • Registered Trade-Mark Agent (CIPO)