Article 12

A request for the change of the name or address of the proprietor of a registered EU trade mark pursuant to Article 55(1) of Regulation (EU) 2017/1001 shall contain:
(a) the registration number of the EU trade mark;
(b) the name and the address of the proprietor of the EU trade mark as recorded in the Register, unless an identification number has already been given by the Office to the proprietor, in which case it shall be sufficient for the applicant to indicate that number and the proprietor's name;
(c) the indication of the new name or address of the proprietor of the EU trade mark, in accordance with Article 2(1)(b) of this Regulation.
Points (b) and (c) of the first subparagraph shall apply mutatis mutandis for the purposes of a request for the change of the name or address of the applicant for an EU trade mark. Such a request shall also contain the application number.