Ohio Rev. Code Ann. § 2945.39
(A) If a defendant who is charged with an offense described in division (C)(1) of section 2945.38 of the Revised Code is found incompetent to stand trial, after the expiration of the maximum time for treatment as specified in division (C) of that section or after the court finds that there is not a substantial probability that the defendant will become competent to stand trial even if the defendant is provided with a course of treatment, one of the following applies:
(2) On the motion of the prosecutor or on its own motion, the court may retain jurisdiction over the defendant if, at a hearing, the court finds both of the following by clear and convincing evidence:
(D)