Ohio Rev. Code Ann. § 2907.36
(A) Without limitation on the persons otherwise entitled to bring an action for a declaratory judgment pursuant to Chapter 2721. of the Revised Code, involving the same issue, the following persons have standing to bring a declaratory judgment action to determine whether particular materials or performances are obscene or harmful to juveniles:
(C) An action for a declaratory judgment pursuant to division (A) of this section shall not be brought during the pendency of any civil action or criminal prosecution, when the character of the particular materials or performances involved is at issue in the pending case, and either of the following applies: