In the US it is the Supreme Court of the United States.
The highest court not under Federal jurisdiction would be the California State Supreme Court.
The Supreme Court of the United States, for matters that fall under its jurisdiction.
The highest court in the federal system is the United States Supreme Court, with nine Supreme Court Justices. The states do not share jurisdiction with the federal court, so the states courts are not a part of the federal court system. Each state decides what it calls its highest court. In Texas, there is a separate court for civil versus criminal cases.
The US Supreme Court serves as the highest appellate court for cases appealed under its federal question jurisdiction.
US district courts have trial jurisdiction (aka original jurisdiction) over federal court cases.
No. If the suit is over a certain dollar amount, it can be heard in federal court under diversity jurisdiction. If it involves federal law, it can also be heard in federal court under federal question jurisdiction. Unless it is a matter of exclusive federal jurisdiction, the state court maintains concurrent jurisdiction.
Federal trial courts almost always have original jurisdiction in the federal system.
Federal district courts have jurisdiction over trials. Federal appeals courts have jurisdiction over appeals from the federal district courts.
Original jurisdiction
Concurrent jurisdiction allows both state and federal courts to hear cases involving federal laws, diversity of citizenship cases, and cases involving concurrent jurisdiction statutes. It means either court can hear the case.
Only in special cases, otherwise it mainly deals with jurisdiction with in the court's circuit. Yes, it does have nationwide jurisdiction. The US Court of Appeals for the Federal Circuit hears appeals from the US Court of International Trade and the US Court of Federal Claims regardless of where the trial was held. Its jurisdiction is defined in terms of subject matter as opposed to territory the way the jurisdiction of the other twelve circuit courts of appeals is defined. In that sense, the Court of Appeals for the Federal Circuit has no territorial limitations on its jurisdiction.
The US Supreme Court is an Article III (constitutional) court, and the highest appellate court for federal question jurisdiction, or cases involving issues related to the US Constitution, federal law, or treaties of the United States.The Supreme Court also has exclusive original jurisdiction (is the only trial court) for disputes between the states.