By Sara Romeih and Kate Findlay ( February 9, 2026, 12:42 PM EST) -- The final quarter of 2025 marked notable developments in Canadian class action law, with courts continuing to refine the boundaries of certification and leave across securities, consumer protection and privacy class actions. Recent decisions underscore a balanced judicial approach: courts continue to advance class proceedings grounded in coherent legal theories and supported by admissible evidence, while firmly limiting speculative claims, procedural re-litigation and disproportionate results....