Ohio Rev. Code Ann. § 2307.63
(A) In an action for assault or battery brought against a mental health professional that asserts as a claim that, while the plaintiff was a mental health client or patient of the mental health professional, the mental health professional engaged in sexual conduct with, had sexual contact with, or caused one or more other persons to have sexual contact with the plaintiff, the consent of the plaintiff to the sexual conduct or sexual contact is not a defense to the claim unless either of the following applies:
(2) The mental health professional proves by a preponderance of the evidence all of the following:
(B) As used in this section:
(1) "Emotionally dependent" means that the emotional condition of a mental health client or patient of a mental health professional and the treatment provided by the mental health professional to the client or patient are of such a nature that the mental health professional knows or has reason to know that the client or patient is unable to withhold consent to one or more of the following:
(5) "Therapeutic deception" means a representation by a mental health professional that one or more of the following is consistent with or part of the treatment for a mental health client or patient of the mental health professional: