Summaries Sunday: Supreme One-Liners

As a supplement to our Sunday Summary each month, Supreme Advocacy LLP in Ottawa presents Supreme One-Liners, a super-short descriptive guide to the most recent decisions at the Supreme Court of Canada. Supreme Advocacy LLP offers its more comprehensive weekly electronic newsletter, Supreme Advocacy Letter, summarizing all Appeals, Oral Judgments and Leaves to Appeal granted.

Appeal Judgment

Criminal Law: Youths Sentenced As Adults
R. v. I.M., 2025 SCC 23 (40868), and R. v. S.B., 2025 SCC 24 (40873)

Courts to consider “developmental age” in youth sentencing not just actual age.

Leaves to Appeal Granted

Contracts: Breach; Contributory Fault
Arcamm Electrical Services Ltd. v. Avison Young Real Estate Management Services LP, et al., 2024 ONCA 925 (41673)

Issues re breach of contract and contributory fault.