The Court held that a nonlawyer consultant acted as a "lawyer's representative" and documents at issue were privileged. Rule 503 continues the longstanding tradition of protecting attorneyclient privilege in order to facilitate honest and complete communication.Experts are either or both routinely hired and consulted in cases involving personal injury. Experts take many forms. In Texas, the attorneyclient privilege is a legal safeguard that protects confidential communications between attorneys and their clients. The attorney-client privilege is waived when the communication is made in the presence of, or communicated to, a third party. The Attorney -- Client Privilege - Texas. • Texas codified the attorney-client privilege in Rule 503 of the TRE. The principle that the attorney-client privilege attaches to third-party consultants also has been applied to representatives of the attorney, such as. Potential clients who seek legal advice and don't end up hiring the lawyer, may still benefit from the attorneyclient privilege. How?