Judicial Branch

COVID Precautionary Measures

Please read and familiarize yourself with our latest COVID precautionary measures as they contain vital information on how we are currently conducting business.

NOTICE - Court Operations During COVID-19 Judicial Building Closure

Inclement Weather Notice

Should the Osage Nation offices close due to inclement weather, the Judicial Branch will close as well. All hearings scheduled on a day the Nation is closed for inclement weather will be postponed and rescheduled. A Clerk of the Trial Court will mail notices of new hearing dates to all parties.

Please visit the homepage of this website or phone 918-287-5400 or 918-287-5555 to confirm Osage Nation office closings.


The Osage Nation Judicial Branch is an independent, co-equal branch of the Osage Nation government empowered by the Osage Constitution to provide an impartial and responsive justice system that protects the rights and liberties of all who come before it, interprets and enforces governing law fairly and equally and reflects the unique social, governmental and cultural standards of the Osage Nation.

The Judicial powers of the Osage Nation are vested in one Supreme Court and a Trial Court.The Judicial Branch is responsible for interpreting the Constitution and laws of the Osage Nation.Its powers include 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 consists of one Chief Justice and two Associate Justices.The Trial Court consists of one Chief Judge and any Associate Judges. All Supreme Court Justices and Chief Trial Judge are appointed by the Principal Chief and confirmed by Congress. Associate Judges are jointly appointed by the Chief Justice of the Supreme Court and the Chief Judge of the Trial Court. The Chief Justice is responsible for the administration of both the Supreme Court and the Trial Court.

The Osage Nation Judicial Branch is committed to serving the Osage Nation, its citizens and its community by providing a fair and efficient system of justice that offers all interested persons a meaningful opportunity to resolve disputes arising under the laws and regulations of the Osage Nation.

Video - Judicial Branch Evaluation

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