Parks v. Wilcox

Where different courts possess concurrent jurisdiction in respect of the same subject matter, as a general rule, that court to which jurisdiction, by legal proceedings, has first attached, is entitled to proceed therein without interference by another court. This rule applies as well as between state and federal courts as between courts of the same state.

The application of this rule is decisive of the question presented for determination in the case at bar.

A creditor of Freudenfelt & Jelanko, a failing firm in Leadville, sued the firm in the circuit court of the United States for the district…