A plea that the arbitral tribunal lacks jurisdiction shall be raised not later than the date of the submission of the statement of defense. A party is not precluded from raising that plea by the fact that he has appointed, or participated in the appointment of, an arbitrator.
Plea of lack of jurisdiction
Ohio Rev. Code Ann. § 2712.32, under Chapter 2712 | International Commercial Arbitration.
Ohio Rev. Code Ann. § 2712.32