Signaling support for a ruling that said a Big Law firm can’t use the Texas anti-SLAPP law to dismiss a legal-malpractice lawsuit, the Texas Supreme Court on Friday rejected review on an appeal by Carrington, Coleman, Sloman & Blumenthal.

Denying review of Carrington Coleman’s appeal means that the Dallas-based firm must return to a trial court, proceeding to discovery for a lawsuit by software company White Nile Software Inc.