Lawyer Profile
Ariane-Sophie Blais
Québec, Québec
Overview
Ariane-Sophie is a partner in the firm's Litigation group. She leads a wide range of complex and high-profile civil and commercial litigation cases, especially in health and environmental law. She has expertise in class actions, shareholder disputes and professional liability. She is frequently involved in extraordinary remedies such as injunctions and Anton Piller orders.
Companies turn to Ariane-Sophie for advice on corporate governance and reputational risk. Favouring a pragmatic approach focused on creative solutions, she provides her clients with effective support and advice in keeping with their commercial and professional interests. Ariane-Sophie pleads regularly before Québec’s main civil and administrative courts, both at trial and on appeal.
Ariane-Sophie is also a member of the Board of Directors of the firm.
Key practice areas: Litigation and Dispute Resolution, Class Actions, Extraordinary Remedies, Environmental Law, Aboriginal Law.
Québec Bar 2011
Practice Areas
Bar Information
Called to the bar: 2011 (QC)
Professional Details
Education
National Program in Common Law, University of Ottawa, 2008
LL.L., University of Ottawa, 2007
B.A., Linguistics, Université Laval, 2003
Awards & Recognition
Benchmark Litigation Canada – Future Star, 2024-2026
Articles & Speeches
Co-author: “ Commentaire sur la décision 2177 23rd Avenue Holdings c. Pival International inc. – Les clauses d'option de renouvellement et la bonne foi contractuelle ” [Case comment – 2177 23rd Avenue Holdings v. Pival International inc. – Renewal option clauses and contractual good faith], in Repères , April 2025, La Référence EYB2025REP3835.
Co-author: “ Commentaire sur l’arrêt Canada (Procureur général) c. Power – La Cour suprême confirme que l’État peut être tenu de payer des dommages-intérêts pour l’adoption d’une loi subséquemment déclarée inconstitutionnelle ” [Case comment – Canada (Attorney General) v. Power – The Supreme Court confirms the State can be required to pay damages following the enactment of legislation later declared unconstitutional], in Repères , September 2024, La Référence EYB2024REP3785.
Co-author: “ Class actions: Supreme Court of Canada upholds the status quo over authorization criteria in Quebec ”, November 2, 2020.
Co-author: “ Security on Inventory Subject to Third-Party Intellectual Property Rights: How Are Creditors’ Rights Affected? ”, April 15, 2015.
Co-speaker: L’utilisation de moyens extraordinaires dans le cadre de fraude [Using extraordinary remedies in fraud cases], workshop for a client, Montréal, March 5, 2025.
Co-speaker: Les modifications à la Loi sur la concurrence [Amendments to the Competition Act ], Langlois Knowledge, webinar, December 7, 2022.
Co-speaker: Class actions: situational analysis – retrospective and future expectations , as part of a workshop series on class actions, Langlois Knowledge, webinar, March 16, 2021.
Co-speaker: Class actions : environmental law and neighbourhood disturbances , as part of a workshop series on class actions, Langlois Knowledge, webinar, March 19, 2020.