Ariane-Sophie Blais

Lawyer, Partner - Quebec City

Québec Bar 2011
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Ariane-Sophie is a partner at the Québec City offices of Langlois Lawyers. She is part of the litigation group and her practice focuses mainly on civil and commercial litigation, specializing in class actions, shareholder disputes, extraordinary recourses and professional liability. She engages in complex and wide-ranging litigation in a variety of fields. Ariane-Sophie’s practice centres on health law, environmental law, consumer law and construction law.

Ariane-Sophie advises businesses on issues linked to governance and reputational risk. She pleads regularly before Québec’s main civil and administrative judicial bodies, whether at first instance or on appeal. Providing counsel to her clients on issues linked to professional or commercial interests, Ariane-Sophie promotes an approach based on pragmatism, aimed at reaching creative and effective outcomes.


National program (common law), University of Ottawa, 2008

Licence in civil law, University of Ottawa, 2007

Degree in linguistics, Laval University, 2003

Rankings & Recognitions




Professional Associations

Since 2021 – Canadian Bar Association, Québec Division

Since 2021 – The Advocates’ Society

Depuis 2020 – Outreach Committee of the Barreau de Québec

Since 2019 – Chair of the Université Laval Discipline Committee

2012-2018 – Chair of the Board, Rouge et Or Rugby Club

Since 2012 – Member of the Association des femmes d’assurance de Québec

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