Ohio Rev. Code Ann. § 1310.50
(C) If the lessor justifiably withholds or stops delivery of goods because of the lessee's default or insolvency as provided in section 1310.71 or 1310.72 of the Revised Code, the lessee is entitled to restitution of any amount by which the sum of his payments exceeds either of the following:
(D) A lessee's right to restitution under division (C) of this section is subject to offset to the extent the lessor establishes both of the following: