Tex. Civ. Prac. & Rem. Code § 15.005
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
In a suit in which the plaintiff has established proper venue against a defendant, the court also has venue of all the defendants in all claims or actions arising out of the same transaction, occurrence, or series of transactions or occurrences.
Tex. Civ. Prac. and Rem. Code § 15.005