Division, merger and series of marks Division, merger and series of marks United Kingdom 26Division of application; section 41 (Form TM12) 26ADivision of registration; section 41 (Form TM12R) 27Merger of separate applications or registrations; section 41 (Form TM17) 28Registration of a series of trade marks; section 41 (Form TM12) Division, merger and series of marks