Any list of the most important tort cases in the history of Tennessee tort law must include McIntyre v. Ballentine, 833 S.W.2d 52 (Tenn. 1992).
This opinion radically changed Tennessee law by adopting modified comparative fault and abolishing joint and several liability in the vast majority of cases. The opinion also represented a major step by a newly-constituted court to bring Tennessee jurisprudence in step with the rest of the country.
By the way, the plaintiff lost the case on remand.