Ohio Revised Code Title XXIII. Courts Common Pleas § 2317.48

When a person claiming to have a cause of action or a defense to an action commenced against him, without the discovery of a fact from the adverse party, is unable to file his complaint or answer, he may bring an action for discovery, setting forth in his complaint in the action for discovery the necessity and the grounds for the action, with any interrogatories relating to the subject matter of the discovery that are necessary to procure the discovery sought. Unless a motion to dismiss the action is filed under Civil Rule 12, the complaint shall be fully and directly answered under oath by the defendant. Upon the final disposition of the action, the costs of the action shall be taxed in the manner the court deems equitable.