State ex rel. Barclays Bank PLC v. Court of Common Pleas

The critical issue in this case is whether a court has subject matter jurisdiction to issue an injunction to stop payment on a letter of credit when the beneficiary of that letter of credit is not a party to the suit. Because respondents lack such jurisdiction, we find prohibition appropriate, and issue the writ.

Prohibition is an extraordinary 'writ and we do not grant it routinely or easily:

“ ‘For a writ of prohibition to issue, a relator must ordinarily establish: (1) that the court against whom it is sought is about to exercise judicial power, (2) that the exercise of such power is…