I get this question periodically. The short answer is that the Texas Rules of Appellate Procedure don’t impose a deadline. But that doesn’t mean a relator (a party wishing to challenge a trial court’s order by filing a petition for writ of mandamus) can delay pursuing mandamus relief indefinitely. Rooted in Equity Mandamus is an extraordinary remedy, not a right, and its issuance is largely controlled by equitable principles. A relator may only obtain mandamus
