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
  • The Clerk of the City of Toronto in connection with provincial legislation to reduce the size of Toronto City Council for the 2018 election, including an appearance as counsel before the Ontario Court of Appeal.
  • Dominion Diamond Corporation in applications to the Mackenzie Valley Review Board and the Wek’eezhii Land and Water Board in connection with the Ekati diamond mine in the Northwest Territories.
  • QuadReal Property Group’s redevelopment of a 70-acre parcel in the Vaughan Metropolitan Centre, including extensive mediation before the Ontario Municipal Board.
See allRepresentative Work
  • Chambers Canada 2020 as a leading lawyer in Energy: Power (Regulatory), Energy: Provincial Regulatory & Litigation - Ontario, and Environmental Law.
  • The Canadian Legal Lexpert Directory 2020 as a leading lawyer in Energy (Electricity) and Environmental Law.
  • 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).