<P> In the United States, courts having original jurisdiction are referred to as trial courts . In certain types of cases, the U.S. Supreme Court has original jurisdiction concurrently with lower courts . The original jurisdiction of the U.S. Supreme Court is governed by Article III, Section 2 of the United States Constitution and Title 28 of the United States Code, section 1251 . Most commonly, original jurisdiction cases involve suits between states as parties, usually over territorial or water rights disputes . </P> <P> The United States Constitution defines Original Jurisdiction thusly: </P> <P> In all cases affecting ambassadors, other public ministers and consuls, and those in which a state shall be party, the Supreme Court shall have original jurisdiction . In all the other cases before mentioned, the Supreme Court shall have appellate jurisdiction, both as to law and fact, with such exceptions, and under such regulations as the Congress shall make . United States Constitution Article III, § cl. 2 </P> <P> In the federal court system and those of most U.S. states, there are several types of trial courts . That is, there are several specialized courts with original jurisdiction over specific types of matters, and then a court with original jurisdiction over anything not reserved to more specialized courts . </P>

The supreme court’s original jurisdiction includes the following kinds of disputes except