The United States District Court for the Eastern District of Michigan (in case citations, E.D. Mich.) is the federal district court with jurisdiction over of the eastern half of the Lower Peninsula of the State of Michigan. The Court is based in Detroit, with courthouses also located in Ann Arbor, Bay City, Flint, and Port Huron. The United States Court of Appeals for the Sixth Circuit has appellate jurisdiction over the court (except for patent claims and claims against the U.S. government under the Tucker Act, which are appealed to the Federal Circuit). , the United States Attorney is Dawn N. Ison. History The United States District Court for the District of Michigan was established on July 1, 1836, by , with a single judgeship. The district court was not assigned to a judicial circuit, but was granted the same jurisdiction as United States circuit courts, except in appeals and writs of error, which were the jurisdiction of the Supreme Court. Due to the so-called "Toledo War", a boundary dispute with Ohio, Michigan did not become a state of the Union until January 26, 1837. On March 3, 1837, Congress passed an act that repealed the circuit court jurisdiction of the U.S. District Court for the District of Michigan, assigned the District of Michigan to the Seventh Circuit, and established a U.S. circuit court for the district, . On July 15, 1862, Congress reorganized the circuits and assigned Michigan to the Eighth Circuit by , and on January 28, 1863, the Congress again reorganized Seventh and Eight Circuits and assigned Michigan to the Seventh Circuit, by . On February 24, 1863, Congress divided the District of Michigan into the Eastern and the Western Districts, with one judgeship authorized for each district, by . Ross Wilkins, who had been the only district judge to serve the District of Michigan, was reassigned to the Eastern District. Finally, on July 23, 1866, by , Congress assigned the two Districts in Michigan to the Sixth Circuit, where they remain. Divisions The Eastern District comprises two divisions. Northern Division The Northern Division comprises the counties of Alcona, Alpena, Arenac, Bay, Cheboygan, Clare, Crawford, Gladwin, Gratiot, Huron, Iosco, Isabella, Midland, Montmorency, Ogemaw, Oscoda, Otsego, Presque Isle, Roscommon, Saginaw, and Tuscola. Court for the Northern Division is held in Bay City. Southern Division The Southern Division comprises the counties of Genesee, Jackson, Lapeer, Lenawee, Livingston, Macomb, Monroe,