LAWYER PROFILE

Iris Antonios

Global 2026

Blake, Cassels & Graydon LLP

Ranked in 1 practice area

Dispute Resolution: Arbitration

Canada

1 year ranked

About

Provided by Blake, Cassels & Graydon LLP

Practice Areas

Iris is a Partner based in Toronto in the Litigation and Dispute Resolution Group and co-lead of the national Arbitration team at Blake, Cassels & Graydon. She has a broad-based commercial disputes practice with a focus on complex international commercial and investor-state arbitration. Iris advises and represents clients in a variety of industries, including aviation, financial services, agri-business, and resource extraction. In addition to representing clients in both international and domestic arbitrations, including under the ICC, ICDR, and UNCITRAL rules, Iris regularly writes, speaks and advises on arbitration, Canada’s international investment treaties, and Canada’s interprovincial trade agreements. Iris is a fellow of the Chartered Institute of Arbitrators (FCIArb).

Chambers Review

Provided by Chambers

Chambers Global Guide

Dispute Resolution: Arbitration - Canada

Band 3

Individual Editorial

Iris Antonios is held in high esteem for her international arbitration practice, advising on both treaty and commercial claims. She also offers expertise in enforcement and wider commercial litigation matters.

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Strengths

Provided by Chambers

Iris Antonios is an excellent lawyer – she's thorough, pragmatic and helpful.
Dispute Resolution: ArbitrationChambers Global Guide
Iris is very responsive and professional.
Dispute Resolution: ArbitrationChambers Global Guide
Iris puts the time in to fully understand the facts and the industry as well as the applicable foreign law in multi-jurisdictional cases.She thinks and advocates strategically.
Dispute Resolution: ArbitrationChambers Global Guide
Iris is exceptional counsel. She's extremely intelligent, hard-working and organised.
Dispute Resolution: ArbitrationChambers Global Guide