Ohio Revised Code Title XVII. Corporations Partnerships § 1776.10

(A)(1) A partner or a liquidating trustee of a partnership that is formed under the laws of this state or that is doing business in this state may be served with process in the manner this section prescribes in all civil actions or proceedings brought in this state involving or relating to the business of the partnership or a violation by the partner or the liquidating trustee of a duty to the partnership or any partner of the partnership, whether or not the partner or the liquidating trustee is a partner or a liquidating trustee at the time suit is commenced.

(2) A person who is a partner or liquidating trustee on the date on which this chapter first applies to the partnership pursuant to division (C) of section 1776.95 of the Revised Code, or who thereafter becomes a partner or a liquidating trustee of a partnership, thereby consents to the appointment of each partner who has signed a statement of partnership authority under section 1776.33 of the Revised Code, and any agent named in a statement of partnership authority under section 1776.33 of the Revised Code, as that person's agent upon whom service of process may be made. Any process so served shall be of the same legal force and validity as if served upon the partner or liquidating trustee within this state.