By: Amy Matychuk
Case Commented On: Dorsey v Canada (Attorney General), 2025 SCC 38 (CanLII)
PDF Version: Dorsey v Canada: A Rare and Necessary Advancement for Prisoners’ Rights
The decision in Dorsey v Canada, issued by the Supreme Court of Canada (SCC) on November 21, 2025, represents the first major jurisprudential development in the law of habeas corpus for several years. It expands the availability of habeas corpus to inmates whose applications to transfer to a lower security level have been denied. Prior to Dorsey, habeas corpus was only available in the context of institutional transfers if an inmate’s security level had been involuntarily raised. Writing for the majority in Dorsey, Justice Mary T. Moreau found that a decision denying an inmate transfer to a lower security level qualifies as a deprivation of liberty for which habeas corpus can offer a remedy.