Ohio Rev. Code § 2305.17: Commencement of action.

An action is commenced within the meaning of sections 2305.03 to 2305.22 and sections 1302.98 and 1304.35 of the Revised Code by filing a petition in the office of the clerk of the proper court together with a praecipe demanding that summons issue or an affidavit for service by publication, if service is obtained within one year.