Ariane-Sophie Blais

Lawyer, Partner - Quebec City

Québec Bar 2011
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Ariane-Sophie Blais practices in the firm’s Quebec City office. A member of the litigation group, her practice focuses on civil and commercial litigation, with an emphasis on professional liability, shareholder disputes and class actions, particularly in environmental matters.

Ariane-Sophie appears on behalf of her clients before various administrative tribunals and all levels of the courts. She manages litigation files and provides practical advice and counsel to her clients on how best to protect their commercial or professional interests. She takes a pragmatic approach coupled with a constant search for creative and effective solutions.


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

Licence in civil law, University of Ottawa, 2007

Degree in linguistics, Laval University, 2003

Representative Work

  • Victory for Langlois in an environmental class action

    Langlois Lawyers successfully represented their client, Compagnie d’Arrimage de Québec (“CAQ”), a Quebec City company specializing in handling solid bulk cargo, in a class action regarding neighbourhood disturbances related to dust. A group of Limoilou residents was suing the CAQ and the Québec Port Authority for more than $350 million in compensatory and punitive damages, as well as a permanent injunction to change their operations.

Dispute between shareholders of a major construction company in Trois-Rivières
In connection with oppression-remedy proceedings brought by a minority shareholder, defended the interests of the majority shareholders.    

Represented Compagnie d’Arrimage de Québec in two environmental class actions
Defended against two class actions brought by citizens of the Quebec City borough of Limoilou against port authority Administration portuaire de Québec and Compagnie d’Arrimage de Québec (Quebec Stevedoring Company Ltd.).




Professional Associations

Since 2012 – Chairman of the Board, Rouge et Or Rugby Club

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

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