Ohio Rev. Code Ann. § 1308.19
(A) A person has notice of an adverse claim if:
(C) An act or event that creates a right to immediate performance of the principal obligation represented by a security certificate or sets a date on or after which the certificate is to be presented or surrendered for redemption or exchange does not itself constitute notice of an adverse claim except in the case of a transfer more than:
(D) A purchaser of a certificated security has notice of an adverse claim if the security certificate: