Tennessee Code Title 29. Remedies and Special Proceedings § 29-28-106

(1) The seller exercised substantial control over that aspect of the design, testing, manufacture, packaging or labeling of the product that caused the alleged harm for which recovery of damages is sought;

(2) Altered or modified the product, and the alteration or modification was a substantial factor in causing the harm for which recovery of damages is sought;

(3) The seller gave an express warranty as defined by title 47, chapter 2;

(4) The manufacturer or distributor of the product or part in question is not subject to service of process in this state and the long-arm statutes of Tennessee do not serve as the basis for obtaining service of process; or

(5) The manufacturer has been judicially declared insolvent.