Ohio Rev. Code Ann. § 5301.56
(A) As used in this section:
(B) Any mineral interest held by any person, other than the owner of the surface of the lands subject to the interest, shall be deemed abandoned and vested in the owner of the surface of the lands subject to the interest if the requirements established in division (E) of this section are satisfied and none of the following applies:
(3) Within the twenty years immediately preceding the date on which notice is served or published under division (E) of this section, one or more of the following has occurred:
(C)
(1) A claim to preserve a mineral interest from being deemed abandoned under division (B) of this section may be filed for record by its holder. Subject to division (C)(3) of this section, the claim shall be recorded in accordance with division (H) of this section and sections 317.18 to 317.20 and 5301.52 of the Revised Code, and shall consist of a notice that does all of the following:
(D)
(E) Before a mineral interest becomes vested under division (B) of this section in the owner of the surface of the lands subject to the interest, the owner of the surface of the lands subject to the interest shall do both of the following:
(F) The notice required under division (E)(1) of this section shall contain all of the following:
(G) An affidavit of abandonment shall contain all of the following:
(H)
(1) If a holder or a holder's successors or assignees claim that the mineral interest that is the subject of a notice under division (E) of this section has not been abandoned, the holder or the holder's successors or assignees, not later than sixty days after the date on which the notice was served or published, as applicable, shall file in the office of the county recorder of each county where the land that is subject to the mineral interest is located one of the following:
(2) If a holder or a holder's successors or assignees who claim that the mineral interest that is the subject of a notice under division (E) of this section has not been abandoned fails to file a claim to preserve the mineral interest, files such a claim more than sixty days after the date on which the notice was served or published under division (E) of this section, fails to file an affidavit that identifies an event described in division (B)(3) of this section that has occurred within the twenty years immediately preceding the date on which the notice was served or published under division (E) of this section, or files such an affidavit more than sixty days after the date on which the notice was served or published under that division, the owner of the surface of the lands subject to the interest who is seeking to have the interest deemed abandoned and vested in the owner shall file in the office of the county recorder of each county where the land that is subject to the mineral interest is located a notice of failure to file. The notice shall contain all of the following: