Ohio Revised Code Title XXIII. Courts Common Pleas § 2303.26

The clerk of the court of common pleas shall exercise the powers conferred and perform the duties enjoined upon the clerk by statute and by the common law; and in the performance of official duties the clerk shall be under the direction of the court. The clerk shall not restrict, prohibit, or otherwise modify the rights of parties to seek service on party defendants allowed by the Rules of Civil Procedure, either singularly or concurrently.