Patrick Duffy

Patrick G. Duffy Partner

Patrick Duffy


  • University of Alberta (LL.B. with distinction, 2002)
  • University of Lethbridge (B.A. with great distinction, 2002)

Bar Admission

  • Alberta, 2004
  • Ontario, 2004
Representative Work
  • Ontario Energy Board before the Divisional Court, Court of Appeal and Supreme Court of Canada of the Board’s decision to reduce Ontario Power Generation’s nuclear compensation costs by C$145M.
  • ITC Holdings Corp. on an application to the National Energy Board for an underwater transmission line crossing Lake Erie including responding to a judicial review application before the Federal Court commenced by the Mississaugas of New Credit First Nation.
  • AquaBounty Canada in respect of environmental approvals issued in relation to the import, manufacture and use of AquaAdvantage Salmon, the first genetically modified animal approved for human consumption.
See allRepresentative Work
  • Chambers Canada 2019 as an “Up and Coming” lawyer in Energy: Power (Regulatory) and Energy: Provincial Regulatory & Litigation - Ontario and a recognised practitioner in Environmental Law.
  • The Canadian Legal Lexpert Directory 2018 as a leading lawyer in Energy (Electricity).
  • The Legal 500 Canada 2019 as a next generation lawyer in Energy: Power and a recommended lawyer in Aboriginal Law and Environmental Law.
See allAccolades
Speaking Engagements
  • “The evolving connection assessment and planning process in Ontario”, Association of Power Producers of Ontario Conference, November 2016 (moderator).
  • “Aboriginal Law”, OBA Institute, February 2015 (moderator).