Background
David Case and Celine Loyer were the accused in a criminal proceeding originating in Ontario. After an adverse outcome at the Ontario Court of Appeal — where a majority of that court ruled against them in a decision reported as 2024 ONCA 900 (December 13, 2024) — both appellants sought leave to appeal to the Supreme Court of Canada. The Criminal Lawyers’ Association (Ontario) appeared as intervener, signalling that the case engaged issues of broader significance to criminal defence practice.
The Supreme Court heard the appeal on February 19, 2026. The full seven-member panel sat: Chief Justice Wagner and Justices Karakatsanis, Côté, Rowe, Martin, Kasirer, and Moreau. The underlying facts, charges, and specific legal issues in dispute are set out in the Ontario Court of Appeal’s reasons; the Supreme Court’s published judgment is limited to a brief oral ruling delivered the same day the appeal was argued.
The Court’s Holding
The Supreme Court unanimously dismissed the appeal. Chief Justice Wagner, reading for all seven justices, stated that the court was “all of the view to dismiss the appeal, substantially for the reasons of the majority at the Ontario Court of Appeal.” No additional written reasons were issued.
By adopting the ONCA majority’s analysis without qualification, the Supreme Court affirmed that court’s reasoning on whatever legal questions were in issue, lending it the full authority of a unanimous Supreme Court endorsement. The same-day oral judgment — rendered without separate written reasons — signals that the court viewed the appeal as not requiring further elaboration beyond what the Court of Appeal majority had already said.
Key Takeaways
- The Supreme Court dismissed the appeal of David Case and Celine Loyer unanimously, with no dissent.
- The court expressly adopted the majority reasons of the Ontario Court of Appeal (2024 ONCA 900) as its own, giving those reasons binding Supreme Court authority.
- The judgment was delivered orally on the same day the appeal was argued — a procedural signal that the court found the matter straightforward on the existing record.
- The Criminal Lawyers’ Association (Ontario) intervened, but the intervention did not alter the outcome.
Why It Matters
A Supreme Court of Canada endorsement — even a terse one — converts a Court of Appeal majority decision into binding national precedent. Practitioners in Ontario and across Canada should treat the ONCA majority’s analysis in 2024 ONCA 900 as having Supreme Court authority on the legal issues it resolved. Defence counsel, Crown attorneys, and legal associations involved in analogous criminal proceedings should review that underlying Court of Appeal decision carefully.
The brevity of this ruling also illustrates the court’s occasional practice of issuing same-day oral judgments that simply adopt lower court reasoning, reserving full written reasons for cases that demand new doctrinal elaboration. The result here forecloses further appellate challenge on the issues raised by Case and Loyer.