
Blake, Cassels & Graydon LLP's disputes capabilities in Quebec take in corporate litigation, product liability litigation, class actions defence, insurance litigation, restructuring and insolvency litigation and securities litigation. Multinational clients in the automotive, construction, banking, healthcare, energy, financial services and tech segments routinely feature on the group’s client roster. The practice is directed by Claude Marseille, who focuses on class actions, product liability, construction law and shareholder remedies. Additional key contacts include Caroline Biron, who previously acted as managing partner at Woods LLP and who arrived at the firm in August 2023; litigator and senior counsel Robert Torralbo; Simon Seida, who brings expertise to class actions and professional malpractice matters; Matthew Liben, who handles insurance, restructuring and insolvency litigation; and Ariane Bisaillon, who brings strength to commercial litigation, class actions and product liability disputes.
L’éditorial du Legal 500
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Clients clés
- Bell Canada
- Le Groupe Jean Coutu
- Kraft Heinz Canada
- Air Canada
- AtkinsRéalis
- Dollarama
- Field Aviation
- Pharmacie Michael Assaraf Pharmacien
- Repsol Oil & Gas Canada
- Elad Canada
Points forts
- Defended leading pharmaceutical companies in the ongoing Canadian opioid litigation.
- Defended Labatt in a class action claiming that beer bottles and other liquor containers should have labels warning that alcohol could cause 7 types of cancers and cirrhosis of the liver.
- Defended Dollarama in a national class action against Dollarama, Pharmaprix and Amazon Canada claiming that they fail to properly advertise the price of products subject to environmental handling fees (EHFs).
Avocats
Hall of Fame
Avocats au sommet de leur profession, largement reconnus et respectés par l'ensemble du marché pour leur expertise éprouvée et leur intervention récurrente et longue date dans les dossiers les plus complexes et prestigieux.

Les grands avocats du marché
Avocats associés reconnus parmi les leaders du marché par leurs pairs et leurs clients, régulièrement présents dans les grands dossiers dans lesquels ils sont au premier plan.
Les grands avocats de demain
Jeunes associés disposant d’une reconnaissance montante sur le marché, jouant régulièrement un rôle clé dans des dossiers majeurs.
Responsable de la pratique
Claude Marseille
Autres avocats clés
Caroline Biron; Robert Torralbo; Simon Seida; Matthew Liben; Ariane Bisaillon