Antoon v. Cleveland Clinic Found. (Slip Opinion)

O’Connor, C J.

{¶ 1} In this appeal, we consider whether Ohio’s medical-malpractice statute of repose, R.C. 2305.113(C), applies to a cause of action that had vested for an act or *484omission allegedly constituting medical malpractice that took place more than four years earlier. We hold that R.C. 2305.113(C) is a true statute of repose that applies to both vested and nonvested claims. Therefore, any medical-malpractice action1 must be filed -within four years of the occurrence of the act or omission alleged to have caused a plaintiffs injury. Appellees, David Antoon (“Antoon”) and Linda Antoon…