Ohio Rev. Code § 1301.401: Effect of recording documents.

(A) For purposes of this section, "public record" means either of the following:

(1) Any document described or referred to in section 317.08 of the Revised Code;

(2) Any document the filing or recording of which is required or allowed under any provision of Chapter 1309. of the Revised Code.

(B) The recording with any county recorder of any document described in division (A)(1) of this section or the filing or recording with the secretary of state of any document described in division (A)(2) of this section shall be constructive notice to the whole world of the existence and contents of either document as a public record and of any transaction referred to in that public record, including, but not limited to, any transfer, conveyance, or assignment reflected in that record.

(C) Any person contesting the validity or effectiveness of any transaction referred to in a public record is considered to have discovered that public record and any transaction referred to in the record as of the time that the record was first filed with the secretary of state or tendered to a county recorder for recording.