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Iris Antonios

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Recent representative matters include:

  • Represented the intervener before the Alberta Court of Appeal in a case concerning the application of the Cape Town Convention on international interests in mobile equipment, particularly security interests in aircraft, within Canada (Avmax Aircraft Leasing Inc. v. Air X Charter Limited, 2022 ABCA 252)

  • Counsel to a Canadian company in an ICC arbitration against an international counterparty regarding an aircraft work contract dispute

  • Co-counsel to a Canadian investor in an arbitration under the UNCITRAL rules against the government of a host state, under a bilateral investment treaty

  • Co-counsel to a Canadian company in an international commercial arbitration under the ICC Rules against a contractual counterparty, in connection with an investment project in a foreign state

  • Advising a Canadian company on dispute resolution issues in connection with the divestiture of an investment abroad

  • Co-counsel to a consumer products company in a domestic commercial arbitration relating to a warehousing services agreement

  • Advising a Canadian-based investor in connection with potential investment claims under NAFTA and the CPTPP relating to investments in Mexico's energy sector

  • Advising a Canadian investor on potential domestic implications of a foreign regulatory investigation into an investment abroad

  • Advising the Canadian subsidiaries of European and American based multinational companies in respect of a potential investment claim against Canada

  • Co-counsel to the Six Nations of the Grand River in an ongoing large and complex action against the federal and Ontario governments

  • Co-counsel to a technology and power transmission company in a large arbitration arising from a dispute relating to the construction of converter stations

  • Advising companies in the oil and gas sector on investment treaty considerations in relation to provincial government measures

  • Co-counsel to a client in defence of a third-party claim relating to contaminated lands

  • Co-counsel to a client in defence of a third-party claim relating to an environmental impact assessment study

  • Co-counsel to the owner of an energy plant in a complex multi-party construction litigation involving several interrelated court actions

  • Co-counsel to a supplier of industrial gases in a contract dispute with a distributor

  • Co-counsel to a mining and natural resources company in an appeal of a decision of the Ontario Mining and Lands Commissioner relating to an easement over unpatented mining claims

  • Co-counsel in an arbitration of disputes under right-of-way agreements between governmental corporations and energy pipeline companies

  • Co-counsel in an arbitration of disputes between two air carriers over payments to be made under a capacity purchase agreement

  • Co-counsel to a mining and natural resources company in a judicial review application related to a federal environmental assessment

Awards & Recognition

Iris has been recognized as a leading lawyer in the following publications:

  • Benchmark Canada's 40 & Under List 2023

  • The Canadian Legal Lexpert Directory – 2022–2023 (Commercial Arbitration)

  • Lexpert Rising Stars 2022: Canada’s Leading Lawyers Under 40

  • Benchmark Canada: The Definitive Guide to Canada's Leading Litigation Firms and Attorneys (2021–2022: Future Star; 2020 and 2022: 40 & Under Hot List)

Professional Activities

Iris is a member of the Canadian and Ontario Bar Associations and The Advocates' Society.

Publications
Professional Appearances
Education

Admitted to the Ontario Bar – 2009
IBBA, York University, Schulich School of Business – 2005
JD, University of Toronto – 2008

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