Ohio Rev. Code Ann. § 1901.186
(A) As used in this section:
(B) In addition to all other jurisdictions granted a municipal court in this chapter, except as provided in division (C) of this section, the Tiffin-Fostoria municipal court has concurrent jurisdiction with the Seneca county court of common pleas in all criminal actions or proceedings to which both of the following apply:
(C) The Tiffin-Fostoria municipal court does not have concurrent jurisdiction with the Seneca county court of common pleas in a criminal action or proceeding when any of the following applies: