Tenn. Code Ann. § 43-28-311: Brands and trade-marks under previous law unaffected

Nothing in this part shall affect the validity and effect of all timber brands and trademarks that have been duly adopted and recorded under the law in force previous to April 20, 1901, but the timber brands and trademarks shall be as valid for all purposes, civil and criminal, as if duly adopted and recorded under this part.