case-or-controversy requirement

case-or-controversy requirement. The constitutional requirement that, for a federal court to hear a case, the case must involve an actual dispute. See CONTROVERSY(3); advisory opinion under OPINION(1). [Cases: Federal Courts 12.] “The courts of the United States do not sit to decide questions of law presented in a vacuum, but only such questions as arise […]

The constitutional requirement that, for a federal court to hear a case, the case must involve an actual dispute. See CONTROVERSY(3); advisory opinion under OPINION(1). [Cases: Federal Courts 12.]