Notwithstanding any the law to the contrary, whenever an attorney advertises a fee for a legal service, the advertisement shall be prima facie evidence of the reasonableness of the fee; and no court shall award a fee in excess of the advertised amount unless the attorney proves additional compensation is reasonable under the facts and circumstances of the legal service provided.
Advertised fee as basis for court award for services
Tenn. Code Ann. § 23-3-109, under Unauthorized Practice and Improper Conduct.
Tenn. Code Ann. § 23-3-109