John J. Pirie

Baker & McKenzie LLP


John Pirie leads the Firm's Litigation and Government Enforcement Group in Canada. He acts for clients in complex business disputes and white collar matters.

John is widely recognized as a leading trial, arbitration and appellate lawyer. He is certified by the Law Society of Ontario as a Specialist in Civil Litigation, and ranked by Chambers as a leading individual in both the Corporate Litigation and White Collar categories. Clients interviewed by Chambers have said: "John Pirie has a sterling reputation in the legal community and is regarded as a powerful litigator" and "He is a recognized expert when it comes to handling cases involving allegations of corporate fraud or corruption."

John has a long record of success acting for a range of clients. He has acted for corporations, banks, officers and directors, a securities regulator, a stock exchange, investors, public officials, members of the judiciary and a variety of professionals.

Practice Focus

John is recognized as one of the top litigators in Canada. John has acted on an array of high profile commercial disputes including a case in the Supreme Court of Canada ranked by Lexpert Magazine as Canada's #1 annual business decision. John has also appeared as counsel in a number of the country's leading corporate and civil fraud cases. John has been recognized by Chambers, Legal 500, Benchmark Litigation and in L'Expert's Annual Guide to the Leading Canada/US Cross-Border Litigation Lawyers. 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. In 2020, John was inducted as a Fellow of the Litigation Counsel of America.

John has been a moot court judge in Osgoode Hall Law School's Intensive Trial Advocacy Program, and he has been an instructor carrying out the National Institute of Trial Advocacy's training programs. John has also appeared repeatedly as a lecturer in Osgoode's Graduate Civil Litigation Program.

Representative Legal Matters

  • Counsel for General Dynamics Corporation in litigation involving an alleged breach of contract concerning the supply of armored vehicles.

  • Counsel for Safran Landing Systems in litigation involving the alleged breach of a long-term supply contract concerning aircraft parts.

  • Counsel for a 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 space industry company in an arbitration concerning the supply and functionality of a satellite.

  • Counsel for a global energy company in an arbitration against an engineering firm concerning failed oil wells.

  • Counsel for a multinational entity named in the USD 9 billion Sino-Forest securities fraud class action, and in related regulatory, and global arbitration proceedings.

  • Counsel for an automotive company defending allegations of breach of restrictive covenants in a purchase agreement at trial. Obtained trial judgment dismissing action in entirety.

  • Counsel for HSBC Bank Canada on numerous matters. Recently obtained a significant judgment and tracing orders at trial against borrowers for fraud and breach of fiduciary duty.

  • Counsel for the Ontario Securities Commission pursuing significant asset recoveries in Canada and abroad.

  • Counsel for an institutional shareholder and investors in stock manipulation proceedings against an agency of the Swedish Government.


  • Ontario~Canada (1998)


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


  • English