In Craig v. Leitensdorfer, the United States Supreme Court addressed the issue of whether a state court could enjoin a federal court from exercising its jurisdiction. The case arose when the plaintiff, Craig, filed a suit in a federal court against the defendant, Leitensdorfer, for the collection of a debt. Leitensdorfer then filed a suit in a state court seeking an injunction against the federal court from exercising its jurisdiction. The Supreme Court held that the state court did not have the authority to enjoin the federal court from exercising its jurisdiction. The Court reasoned that the state court was not authorized to interfere with the federal court's jurisdiction, as the federal court had exclusive jurisdiction over the case. The Court further held that the state court's injunction was void, as it was an attempt to interfere with the federal court's jurisdiction. The Court concluded that the state court's injunction was invalid and that the federal court had exclusive jurisdiction over the case.

In Craig v. Leitensdorfer, the United States Supreme Court was asked to determine whether a state court had jurisdiction over an action brought by a non-resident against another non-resident in which both parties were citizens of different states. The majority opinion held that the state court did not have jurisdiction and dismissed the case. However, Justice Field dissented from this decision, arguing that it should be left to each individual state to decide for itself what its own laws are regarding such matters as long as they do not conflict with federal law or interfere with interstate commerce. He argued that since there was no dispute between two states here, it would be wrong for the Supreme Court to impose its own interpretation of what is allowed under their respective laws on them without giving them any opportunity to present their arguments before doing so. Furthermore, he noted that if one party's rights were violated due to lack of proper jurisdiction then they could always seek redress through other means such as filing suit in federal court or appealing directly up through higher courts until reaching the US Supreme Court itself if necessary.