Ohio Rev. Code Ann. § 1311.11
(A)
(1) The owner, part owner, lessee, mortgagee, or any other person with an interest in real property upon which a lien has been taken, or any original contractor or subcontractor who has provided a bond, cash deposit, general obligation of any state government or of the United States government, obligation insured by an agency of the United States government, or other reasonable security in accordance with division (C) of this section, may notify the lienholder to commence suit on the lien, by written notice delivered to the lienholder in one of the following manners:
(B) Within thirty days after service is completed, the person who sought service shall do all of the following:
(C)