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| Attorney General of Canada v. Mossop | |
|---|---|
| Case name | Attorney General of Canada v. Mossop |
| Court | Supreme Court of Canada |
| Full name | Attorney General of Canada v. Mossop |
| Citations | [1993] 1 S.C.R. 554 |
| Judges | Lamer C.J., Sopinka, La Forest, Cory, Iacobucci, and others |
| Decision date | 1993 |
Attorney General of Canada v. Mossop was a decision of the Supreme Court of Canada addressing the interpretation of human rights statutes and the scope of prohibited discrimination under provincial and federal statutory schemes. The case arose from a complaint under the Canadian Human Rights Act and involved issues touching on employment practices at a federal department and the treatment of a private sector employee in the context of sexual orientation claims. The judgment, delivered in 1993, produced a divided court and generated extensive commentary in Canadian constitutional law and human rights law circles.
The dispute developed against the backdrop of evolving recognition of lesbian, gay, bisexual, and transgender rights in North America during the late 20th century, situated alongside decisions from appellate tribunals, provincial human rights commissions, and comparative jurisprudence from the United States Supreme Court, European Court of Human Rights, and constitutional dialogues influenced by the Canadian Charter of Rights and Freedoms. At the time, statutory frameworks such as the Canadian Human Rights Act, provincial human rights codes, and federal employment policies were being tested by claimants challenging discriminatory conduct by employers including Canadian federal departments, Crown corporations, and private employers contracted by the Government of Canada.
The claimant, an employee engaged with a federal workplace environment, alleged discriminatory treatment based on personal characteristics identified with sexual orientation claims common to contemporaneous complaints before provincial tribunals such as the Ontario Human Rights Commission and adjudicators in British Columbia and Quebec. The employment relationship implicated a federal statutory regime, bringing the matter within the purview of federal adjudicative processes linked to the Canadian Human Rights Commission and the procedural architecture of federal human rights enforcement. The respondent, represented by the Attorney General of Canada, contested the characterization of the complained-of conduct as falling within the enumerated grounds of prohibited discrimination under the relevant federal statute.
The Court confronted several legal issues: whether the factual allegations could be characterized as discrimination under the federal human rights statute; the proper interpretive approach to enumerated grounds such as sex and marital status vis-à-vis claims relating to sexual orientation; the extent to which tribunals could recognize analogous or analogous-protected grounds not explicitly listed in the statute; and how precedent from provincial appellate courts and international human rights bodies should inform interpretation. The case required engagement with doctrines of statutory interpretation, administrative law principles concerning tribunal jurisdiction, and the interplay between statutory human rights protection and evolving norms reflected in judicial decisions from courts such as the Supreme Court of the United States and the House of Lords.
In a plurality decision, the Supreme Court of Canada held that the factual matrix did not establish discrimination within the meaning of the federal statute as pleaded. The judgment applied principles of statutory construction articulated in decisions like R. v. Oakes and administrative law authorities from the Court itself, referring to interpretive methods employed in cases such as Brooks v. Canada Safeway Ltd. and other provincial human rights precedents. The Court rejected an expansive reading that would have read sexual orientation into the enumerated grounds by analogy, emphasizing limits on the powers of tribunals to create new protected grounds absent legislative amendment. Opinions in the case invoked comparative reasoning drawn from decisions of the European Court of Human Rights and appellate jurisprudence from Canadian provinces, while underscoring institutional competence distinctions between legislatures and adjudicative bodies.
The ruling shaped subsequent debates about the recognition of sexual orientation as a protected ground in federal human rights law and highlighted tensions between judicial interpretation and legislative reform. It influenced advocacy strategies pursued by civil society organizations, LGBT rights groups, labour unions, and legal clinics seeking statutory inclusion through legislative amendment rather than solely through adjudicative expansion. The decision became a reference point in commentaries published in legal periodicals, comparative law treatises, and constitutional law textbooks addressing the trajectory of human rights protections in Canada, including the movement toward formal recognition of sexual orientation in human rights codes and the later developments within the Supreme Court of Canada jurisprudence on equality rights.
Following the decision, legislative and judicial developments advanced protection for sexual orientation across Canadian statutory regimes, with amendments to federal and provincial human rights statutes and influential rulings by the Supreme Court of Canada and provincial courts that subsequently acknowledged broader interpretations of equality protections. Cases and reforms in the late 1990s and early 2000s, debates in the House of Commons of Canada, and policy changes in federal institutions reflected the shift criticized and contextualized by the Mossop decision. Scholars and practitioners point to ensuing authorities that moved toward recognition of sexual orientation under human rights protection, aligning Canada with trends in comparative human rights jurisprudence from courts such as the European Court of Human Rights and influential decisions in the United States Court of Appeals circuits.
Category:Supreme Court of Canada cases Category:Canadian human rights law Category:LGBT history in Canada