The Dallas Court of Appeals recently had an opportunity to review and apply the mootness doctrine with respect to appeals and, in the process, expound on the rarely invoked exception to mootness known as "capable of repetition, yet evading review" (CORYER).  In this case, the Plaintiff sought a temporary injunction and declaratory judgment that Duncanville’s ordinance

To all you appellate gurus out there, here’s an appellate procedure question: When does the court of appeals’ mandate issue when the Texas Supreme Court has denied a petition for review and subsequently denied a motion for rehearing of the petition for review?

TRAP 18 controls issuance of the appellate mandate.  The timetable is based