Ohio Rev. Code Ann. § 2741.06
(A) The following persons may bring a civil action to enforce the rights set forth in this chapter:
(B) Before bringing a civil action under this section, a person who owns less than all of an individual's right of publicity shall notify the individual whose right of publicity is the subject of the proposed action, if living, by regular mail addressed to the last known address of that individual. The person also shall notify any persons to whom the individual's right of publicity has been transferred of the proposed civil action by the following means: