Ohio Revised Code Title LIII. Real Property § 5301.48

Any person having the legal capacity to own land in this state, who has an unbroken chain of title of record to any interest in land for forty years or more, has a marketable record title to such interest as defined in section 5301.47 of the Revised Code, subject to the matters stated in section 5301.49 of the Revised Code.

A person has such an unbroken chain of title when the official public records disclose a conveyance or other title transaction, of record not less than forty years at the time the marketability is to be determined, which said conveyance or other title transaction purports to create such interest, either in:

with nothing appearing of record, in either case, purporting to divest such claimant of such purported interest.