The Judicial powers of the Osage Nation are vested in one Supreme Court, in a lower Trial Court and in such inferior Courts as the Osage Nation Congress may establish. The Judicial Branch is responsible for interpreting the Constitution and laws of the Osage Nation. Its powers will include, but not necessarily be limited to, the trial and adjudication of certain civil and criminal matters, the redress of grievances, the resolution of disputes and judicial review of certain holdings and decisions of administrative agencies and of the Trial Court.
The Supreme Court shall consist of one Chief Justice and two Associate Justices. The Trial Court shall consist of one Chief Judge and, as deemed necessary and appropriate, additional Associate Judges.