Ohio Rev. Code Ann. § 2721.16
(A)
(1) A court of record shall not award attorney's fees to any party on a claim or proceeding for declaratory relief under this chapter unless any of the following applies:
(B) Consistent with section 2721.13 of the Revised Code, the provisions of this section are remedial in nature. Notwithstanding any provision of the Revised Code in existence on the day immediately prior to September 24, 1999, notwithstanding any judicial construction prior to September 24, 1999, of a statutory provision of that nature, notwithstanding the holding in any decision of a court of this state, other than a decision based on equitable principles described in division (A)(1)(c) of this section, that authorized an award of attorney's fees to a party to a civil action or proceeding based on common law grounds rather than a statutory authorization of the general assembly, regardless of the date upon which a cause of action accrued that pertains to an action or proceeding in which declaratory relief is sought under this chapter, and regardless of who is the plaintiff or the defendant in an action or proceeding in which declaratory relief is sought under this chapter, division (A) of this section shall apply in connection with both of the following: