United States. District Court (Oklahoma : Northern District)

The United States District Court for the Northern District of Oklahoma (in case citations, N.D. Okla.) is a federal court in the Tenth Circuit (except for patent claims and claims against the U.S. government under the Tucker Act, which are appealed to the Federal Circuit). The District was established on February 16, 1925, with the transfer of a judgeship in the Eastern District to the newly established Northern district.