The High Court exercises both original jurisdiction

The High Court exercises both original jurisdiction (cases which originate in the High Court) and appellate jurisdiction (appeals made to the High Court from other courts). The High Court is the court of final appeal for the whole of Australia with the ability to interpret the common law for the whole of Australia, not just the state or territory in which the matter arose. This is unlike other high courts, such as the Supreme Court of the United States (though federal courts do have the ability to shape federal common law). As such, the court is able to develop the common law consistently across all of the states and territories. This role, alongside its role in constitutional interpretation, is one of the court's most significant. As Owen Dixon said on his swearing in as Chief Justice of Australia:

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