State ex rel. Lipinski v. Cuyahoga County Common Pleas Court

Appellants assert in their first proposition of law that the court of appeals erred in denying the writ of prohibition because the dismissal of the previous common pleas court action barred Ingle’s subsequent declaratory judgment action in probate court based on res judicata.

In order to be entitled to a writ of prohibition, appellants must establish (1) that the probate court and Judge Corrigan are about to exercise judicial or quasijudicial power, (2) that the exercise of that power is unauthorized by law, and (3) that denying the writ will result in injury for which no other adequate remedy…