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Iris Antonios

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Recent representative matters include:

  • 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:

  • The Canadian Legal Lexpert Directory 2022 (Commercial Arbitration)

  • 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
  • Panellist and Speaker: Protecting Your Investment: Damages in International Disputes
    Blakes Business Class Webcast, Toronto, Ontario, December 15, 2021.
  • Moderator: Advancing in Your Career: Navigating the Opportunities and Challenges of Zigzags
    Blakes Business Class Webcast, Toronto, Ontario, November 16, 2021.
  • Co-panellist: Environmental Litigation in Canada: Recent Trends and Updates
    Blakes Business Class Seminar, Toronto, Ontario, June 2, 2021.
  • Co-moderator: In-House Insights: Transformation in Business
    Blakes Business Class Webcast, December 3, 2020.
  • Co-speaker: Navigating CUSMA: Webcast Series - Protecting Cross-Border Investment in North America Under CUSMA
    Blakes Business Class Webcast, Toronto, Ontario, July 23, 2020.
  • Panellist: Virtual Reality: Experiences of Remote Arbitration
    Blakes Business Class Webinar, June 25, 2020.
  • Panellist: Virtual Arbitrations - Experience to Date & What the Future Holds
    Toronto Commercial Arbitration Society webcast, June 9, 2020.
  • Co-speaker: Mandatory Injunctions and Norwich Orders
    Ontario Bar Association, Toronto, Ontario, December 11, 2019.
  • Speaker: Perils of Permitting and Update on Recent Developments in Environmental Law
    Blakes Business Class Seminar, Toronto, Ontario, December 5, 2019.
Education
Admitted to the Ontario Bar – 2009
IBBA, York University, Schulich School of Business – 2005
JD, University of Toronto – 2008
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