Ohio Revised Code Title XXXIX. Insurance § 3901.323

(A) The courts of this state have personal jurisdiction over both of the following:

(B) Each person described in division (A) of this section is deemed to have performed acts equivalent to and constituting an appointment of the superintendent to be his attorney upon whom may be served all process in any action, suit, or proceeding arising out of violations of section 3901.321 of the Revised Code. Copies of all such process shall be served on the superintendent and transmitted by certified mail by the superintendent to such person at his last known address.