<Li> Many other types of cases and controversies </Li> <P> For most of these cases, the jurisdiction of the federal district courts is concurrent with that of the state courts . In other words, a plaintiff can choose to bring these cases in either a federal district court or a state court . Congress has established a procedure whereby a party, typically the defendant, can "remove" a case from state court to federal court, provided that the federal court also has original jurisdiction over the matter (meaning that the case could have been filed in federal court initially). If the party that initially filed the case in state court believes that removal was improper, that party can ask the district court to "remand" the case to the state court system . For certain matters, such as patent and copyright infringement disputes and prosecutions for federal crimes, the jurisdiction of the district courts is exclusive of that of the state courts, meaning that only federal courts can hear those cases . </P> <P> In addition to their original jurisdiction, the district courts have appellate jurisdiction over a very limited class of judgments, orders, and decrees . </P> <P> In order to represent a party in a case in a district court, a person must be an attorney at law and generally must be admitted to the bar of that particular court . The United States usually does not have a separate bar examination for federal practice (except with respect to patent practice before the United States Patent and Trademark Office). Admission to the bar of a district court is generally available to any attorney who is admitted to practice law in the state where the district court sits . </P>

What kind of cases go to district court