Regularly litigating in trial and appellate courts, Blake, Cassels & Graydon LLP represents clients in high-profile class actions and arbitrations. The group is led by a capable duo: Joseph McArthur KC advises on both domestic and international arbitrations, and Robin Reinertson has notable specialism in class action and product liability matters. Other key members of the team include Sean Boyle (securities class actions and capital markets litigation), Roy Millen (construction litigation and contract disputes) and Peter Rubin (commercial litigation and insolvency matters). Alexandra Luchenko represents clients in the mining, financial and tech industries, whilst Laura Cundari has in-depth knowledge of the energy, hospitality and infrastructure sectors. Rochelle Collette and Claire Hildebrand were promoted to partnership in January 2025.
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Profile
Work Department
Litigation ＆ Dispute Resolution
Position
Sean’s litigation practice focuses on all aspects of complex commercial disputes with an emphasis on securities litigation, mining disputes, and defending class actions. He frequently advises on compliance with domestic and international anticorruption legislation, including investigations and due diligence. Sean has extensive experience in take-over bid litigation, contested merger transactions, plans of arrangements and shareholder dissent proceedings. He regularly advises directors and officers of corporation on their duties and obligations relating to corporate governance and business disputes such as derivative actions, oppression remedies and shareholder disputes. Sean also defends clients in complex multi-jurisdictional matters before provincial securities commissions and other securities regulatory organizations throughout Canada. His experience also includes a lengthy secondment to the British Columbia Securities Commission (enforcement division).
Memberships
Sean is a member of the Advocates’ Society, ABA, IBA, and CBABC.
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Key clients
- Absolute Software Corporation Fission Uranium Corp. Warner Bros Entertainment Inc., Warner Bros Entertainment Canada Inc. & Warner Bros Home Entertainment Inc. Western LNG Excelsior Mining Corp. Romspen Investment Corporation Mowi Canada West Inc. Federation of Law Societies of Canada The former directors and officers of Pure Gold Mining Inc. Oxbow Sulphur Inc.
Work highlights
Representing the Prince Rupert Gas Transmission Project, a $30bn joint venture natural gas pipeline project, in the BC Supreme Court against allegations of non-compliance with certain permitting conditions.
Advised Fission Uranium Corp. in a dispute over its C$1.14bn acquisition by Paladin Energy, which was opposed by an investor, a Chinese state-owned actor.
Defending the Warner Bros entities in a proposed class action concerning allegations of illegal fees charged in mobile games.