John J. Pirie

Baker & McKenzie LLP


John Pirie leads the Firm's Litigation and Government Enforcement Group in Canada. He is a seasoned trial lawyer who acts for clients in complex business disputes, with significant experience in cross-border litigation and arbitration.

Widely recognized as a leading trial, arbitration and appellate lawyer, John has a long record of success acting for both foreign and domestic parties. John has acted for multinational corporations, banks, a securities regulator, a stock exchange, investors and a range of professionals. John was recently engaged to act for an Ontario Superior Court Judge.

Practice Focus

John's focus includes a significant fraud and asset recovery component. He has been counsel on array of reported cases in this area. John has deep experience in recovery strategies and emergency relief measures related to fraud, including Mareva injunctions, Anton Piller orders, Norwich Pharmacal orders, global asset tracing, fraudulent conveyance proceedings and the enforcement of foreign judgments / awards.

A related focus of John's practice is class action work, where he has acted on a variety of cases including those that allege fraud, misrepresentation, securities law violations, competition law violations and consumer matters. John is Co-Chair of the Firm's North American Class Actions Sub-Group.

John has been recognized in L’Expert’s Annual Guide to the Leading Canada/US Cross-Border Litigation Lawyers, and in the Legal 500 for Dispute Resolution (Canada).

John appeared in the Supreme Court of Canada on a case ranked by Lexpert Magazine as Canada’s #1 business decision for 2007. He has previously been named one of Lexpert’s Rising Stars, a "Top 40" award that recognizes Canadian lawyers with an outstanding record of success.

John has been a moot court judge in Osgoode Hall Law School's Intensive Trial Advocacy Program, and he has appeared as a lecturer in Osgoode’s Graduate Civil Litigation Program.

Representative Legal Matters

  • Counsel for a multinational entity named in the Sino-Forest securities fraud class action, and in related regulatory, and global arbitration proceedings.
  • Counsel for the Ontario Securities Commission pursuing significant asset recoveries in Canada and abroad.
  • Counsel for HSBC Bank Canada on numerous matters, often fraud related. Obtained a significant judgment and tracing orders at trial against borrowers for fraud and breach of fiduciary duty.
  • Counsel for an automotive company defending allegations of breach of restrictive covenants in a purchase agreement at trial. Obtained trial judgment dismissing action with costs.
  • Counsel for an institutional shareholder and investors in stock manipulation proceedings against an agency of the Swedish Government.
  • Counsel for a major US-based railway in an arbitration with a competitor concerning operational rights and revenues from tracks between the US border and parts of Canada.
  • Counsel for a global oil company in an arbitration against an engineering firm concerning failed oil wells.
  • Counsel for the TMX Group / Shorcan in complex proceedings involving investor allegations.
  • Counsel for VitaQuest International and Nu-Life Corporation: defended, on appeal, a substantial claim that had been made by a business partner alleging fraud and breach of contract.
  • Counsel for the Waldock Group in a landmark Ponzi scheme investor case and in related regulatory proceedings.


  • Ontario~Canada (1998)


  • Osgoode Hall Law School (LLB) (1995)
  • University of Western Ontario (BA Political Science Honours) (1992)


  • English


John is an editor and frequent contributor to a number of our Firm blogs:

Canadian Fraud Law Blog

Global Arbitration News

Global Class & Collective Actions


Co-author, "Drip Pricing Concerns Continue to Give Rise to Proceedings in Canada," Global Class & Collective Actions Blog, Baker McKenzie, 1 November 2017

Co-author, "Ontario Court of Appeal Lifts Stay of Claim on Cross-Border Securities Class Action," Global Class & Collective Actions Blog, Baker McKenzie, 26 August 2016

Co-author, "Restriction on Cross-Border Securities Class Actions Upheld by the Supreme Court of Canada," Global Class & Collective Actions Blog, Baker McKenzie, 2 April 2015

Co-author, "OSC engages in its first no-contest settlements," Canadian Fraud Law Blog, Baker McKenzie, 3 October 2014

Co-author, "Sino-Forest OSC hearing opens," Canadian Fraud Law Blog, Baker McKenzie, 9 September 2014