Canadian Courts Tighten Class Action Rules In Critical Q2 2025 Decisions

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The second quarter of 2025 saw several significant developments in Canadian class action jurisprudence, with courts across multiple provinces delivering important rulings that clarify key legal principles in product liability, employment, jurisdiction, certification amendments, misleading advertising and privacy law.

These decisions, from the Ontario Court of Appeal and superior courts in Ontario and British Columbia, highlight ongoing judicial scrutiny regarding the scope of recoverable damages, criteria for class certification, jurisdictional boundaries in cross-border disputes and the standards for pleadings in complex class actions.