When a court has the power to hear a case for the first time, it is said to have original jurisdiction.
Original jurisdiction refers to a court's capacity to hear a case for the first time. The ability of a court to consider a case that has previously been heard and determined by a lower court is known as appellate jurisdiction.
In general, the Supreme Court of the United States has appellate jurisdiction over the cases it hears. This means that cases are appealed through the court system until they arrive at the Supreme Court of the United States, most frequently through a writ of certiorari. A small number of cases, however, fall within the Court's original jurisdiction, which allows it to review the case's facts and law without waiting for a lower court to rule on it first.
The only original jurisdiction cases that the Supreme Court of the United States regularly handles at the moment are disagreements between two or more U.S. states, usually over border lines, water rights, or other property-related concerns.
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