Ohio Rev. Code § 2315.36
If contributory fault is asserted as an affirmative defense to a tort claim, if it is determined that the plaintiff was contributorily at fault and that contributory fault was a direct and proximate cause of the injury, death, or loss to person or property that is the subject of the tort action, and if the plaintiff is entitled to recover compensatory damages pursuant to section 2315.33 of the Revised Code from more than one party, after it makes findings of fact or after the jury returns its general verdict accompanied by answers to interrogatories as described in section 2315.34 of the Revised Code, the court shall enter a judgment that is in favor of the plaintiff and that imposes liability pursuant to section 2307.22 of the Revised Code.
R.C. §2315.36