State Ex Rel. Van Winkle v. Siegmund

The defendants suggest that a state court does not have jurisdiction under a federal statute where that jurisdiction is not compatible with the jurisdiction of the federal courts under the same statute or where the jurisdiction of the state is excluded by implication, and also that mandamus is not maintainable for the reason that plaintiff has an ade quate remedy at law. Citing Claflin v. Houseman, 93 U. S. 130 (23 L. Ed. 833).

The jurisdiction of the state court, in the present case, is in no way incompatible with the jurisdiction of the federal courts, if under the statute there were any…