Tex. Bus. & Com. Code § 16.064
(a) The secretary of state shall cancel a registration:
(4) with respect to which a court has rendered a judgment finding that:
(F) the registered mark is so similar, as to be likely to cause confusion or mistake or to deceive, to a mark that:
(b) If a registrant's mark is considered for cancellation under Subsection (a)(4)(F) and the registrant proves that the registrant is the owner of a mark concurrently registered as a mark with the United States Patent and Trademark Office to cover a geographical area that includes a part of this state, the secretary of state may not cancel registration of the mark for the geographical area of this state covered by the federal registration.
Acts 2011, 82nd Leg., R.S., Ch. 563 (H.B. 3141), Sec. 1, eff. September 1, 2012.