Tex. Bus. & Com. Code § 52.002
In this chapter:
(1) "Customer" means:
(3) "Invention developer" means an individual, firm, partnership, or corporation, or an agent, employee, officer, partner, or independent contractor of one of those entities, who:
(B) is not:
(4) "Invention development services" means an act done by or for an invention developer for the invention developer's procurement or attempted procurement of a licensee or buyer of an intellectual property right in an invention, including:
(C) preparing or prosecuting a patent application by a person not registered to practice before the United States Patent and Trademark Office.
Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 2.01, eff. April 1, 2009.