Court of Session

The Court of Session is the highest national court of Scotland in relation to civil cases. The court was established in 1532 to take on the judicial functions of the royal council. Its jurisdiction overlapped with other royal, state and church courts but as those were disbanded, the role of the Court of Session ascended. The Acts of Union which established the Kingdom of Great Britain on 1 May 1707 provided that the court will "remain in all time coming" as part of Scotland's separate legal system. Cases at first instance are heard in the Outer House by a single judge. The Inner House hears appeals from the Outer House and all other courts and tribunals in Scotland. Only Scottish advocates and solicitor-advocates may argue cases before the court. The Court of Session has sat at Parliament House since 1707. The Scottish Courts and Tribunals Service and the Principal Clerk administers the court and judges.

Decisions of the court are subject to review by the European Court of Human Rights and on appeal, the UK Supreme Court can overturn them altogether. These courts lie outwith Scotland and so the Court of Session is the supreme court of Scotland for civil cases. Early judges of the court recorded their decisions and codified the law at a time early in the development of Scots law, leading to the development and distinct character of Scots law. In modern times, the court has ruled on issues of public importance and proceedings of its Inner House have been streamed and recorded since 2023. The court now hears cases from any part of Scotland on any issue, other than criminal cases, which belong to its sister court, the High Court of Justiciary.

The Court of Session is the Royal Court of Scotland, hearing civil cases in the name of the Monarch. Judges are termed Lords of Council and Session and appointed simultaneously to the College of Justice and the High Court of Justiciary. Their number is fixed by statute, currently to 37, although a number of temporary judges assist the court with its workload. The court is led by the Lord President of the Court of Session who also heads the Scottish judiciary.