Ohio Rev. Code § 4779.03: Unauthorized use of titles.

No person shall use the titles "licensed orthotist," "licensed prosthetist," "licensed orthotist-prosthetist," or "licensed pedorthist," the initials "L.O.," "L.P.," "L.O.P.," or "L.Ped.," or any other title or initials to represent that the person is licensed to practice orthotics, prosthetics, or pedorthics, unless the person holds a current, valid license issued or renewed under this chapter.