Definition
The Court of Session is the supreme civil court of Scotland, exercising both original and appellate jurisdiction in civil matters. It sits in Parliament House in Edinburgh and is divided into an Outer House (which functions as a court of first instance) and an Inner House (which functions primarily as a court of appeal). The court forms part of the College of Justice, an institution established to provide Scotland with a permanent, professional civil judiciary.
The court does not exercise criminal jurisdiction; that function belongs to the High Court of Justiciary, Scotland's supreme criminal court. Appeals from the Court of Session in civil matters may lie to the Supreme Court of the United Kingdom (formerly the House of Lords).
Why It Matters in Research
Researchers encountering the Court of Session in historical sources should be alert to two persistent issues: composition and jurisdictional scope.
Composition has changed over time. Historical dictionary entries in the Law Mind corpus describe the court as having fifteen judges, later reduced to thirteen. Modern structure differs again, with the Outer and Inner House organization being the operative framework rather than the older divisional count. Do not assume judicial numbers cited in nineteenth-century sources reflect current practice or can be used to date documents without corroborating evidence.
Jurisdictional scope is the more critical research trap. The Court of Session handles only civil matters. Researchers working on Scottish legal history who encounter references to criminal proceedings, capital cases, or jury trials in criminal contexts are looking at the High Court of Justiciary, not the Court of Session. The two courts are frequently confused by researchers unfamiliar with Scottish legal structure, particularly because both sit in Edinburgh and share judges.
The full formal title — Council and Session — appears in older sources and reflects the court's historical origins in the King's Council. Bouvier notes the title explicitly; Black's does not foreground it. When searching historical archives or older digests, the term "council and session" may surface and should be recognized as referring to the same institution.
For researchers working in comparative law, the Court of Session is the most direct Scottish analog to the English Court of Chancery or Common Pleas in terms of its civil jurisdiction and professional judiciary, though the analogy is imperfect given Scotland's distinct legal tradition under Scots law (a mixed civil and common law system).
Historical Dictionary Support
The historical dictionaries in the Law Mind corpus are in substantial agreement on the core identification: the Court of Session is Scotland's supreme civil court. Black's (both editions) and Rapalje & Lawrence converge on this without meaningful divergence. Bouvier adds the most historical texture, tracing the court's institutional lineage from its first establishment in 1425, through the transfer of jurisdiction to the King's Council in 1469, the order requiring the Council to sit in Edinburgh in 1503, and the consolidation of jurisdiction and the joint title in 1588. This genealogy is useful for researchers working with Scottish legal records predating the modern court's settled form.
Bouvier's inclusion of the court's full title — "council and session" — is a detail the other dictionaries omit and one that carries genuine research value for archival work.
All historical sources reflect the fifteen-judge composition that was later reduced; none describe the modern Outer House / Inner House framework in those terms, as the organizational vocabulary evolved. Researchers relying solely on historical dictionary descriptions will get the identity of the court right but may misread its internal structure.
Jurisdictional Note
The Court of Session is a Scottish institution and has no direct equivalent in English or Welsh law. Its decisions are not binding on English courts and vice versa, though both systems now share a final appellate court in the UK Supreme Court for civil matters. Researchers working in English common law sources will not encounter the Court of Session as a binding authority.