6 Adelaide St East, Suite 500 Toronto, Ontario M5C 1H6
Tel: (416) 594-0791 - Fax: (416) 594-9690

Peter Mandervillepmanderville@olflaw.com  •  +1 416 594-0791 x117

Peter MandervillePeter is a former partner from Gowling Lafleur Henderson LLP. He was called to the Bar of Ontario in 1990. He specializes in commercial and insurance litigation as well professional and product liability.

Peter has appeared as counsel before all levels of courts in Ontario, New Brunswick and Nova Scotia as well as Federal Court and the Supreme Court of Canada, in proceedings involving contractual and commercial disputes, shareholder’s disputes, product liability claims, directors and officers liability claims, municipal liability matters, real estate disputes, environmental claims, allegations of professional negligence and other civil and regulatory matters.

In addition, Peter has extensive experience in public inquiries. He was counsel to the Ontario Government for the Walkerton Inquiry concerning the contamination of the water supply in Walkerton, Ontario and issues concerning the safety of Ontario’s drinking water. He was counsel to the Cornwall Police Service and the Cornwall Police Services Board for the Cornwall Public Inquiry concerning the institutional response of the justice system and other public institutions in relation to allegations of historical sexual abuse of young people in the Cornwall area.


  • Dalhousie University (LLB 1988)
  • University of Western Ontario (BA Hon. 1985)

Professional Affiliations

  • Law Society of Ontario
  • Nova Scotia Barristers’ Society
  • Canadian Bar Association
  • Advocates Society