Rooker v. Fidelity Trust Company…
“ It affirmatively appears from the bill that the judgment was rendered in a cause wherein the circuit court had jurisdiction of both the subject-matter and the parties, that a full hearing was had therein, that the judgment was responsive to the issues, and that it was affirmed by the Supreme Court of the state on an appeal by the plaintiffs. 131 N. E. 769. If the constitutional questions stated in the bill actually arose in the cause, it was the province and duty of the state courts to decide them; and their decision, whether right or wrong, was an exercise of jurisdiction. ”
