Legal basis: Article 12 of the Regulations on Motor Vehicle Registration. If dmv needs to change the motor vehicle license plate number when handling the motor vehicle change registration, it shall take back the license plate and driving license, determine a new motor vehicle license plate number, and reissue the license plate, driving license and inspection mark. Article 42 of the Trademark Law of the People's Republic of China * * * Where a registered trademark is assigned, the assignor and the assignee shall sign an assignment agreement and file an application with the Trademark Office. The transferee shall guarantee the quality of the goods using the registered trademark. Where a registered trademark is transferred, the trademark registrant shall transfer the similar trademark registered on the same commodity or the same or similar trademark registered on similar commodities. The Trademark Office shall not approve the transfer that may easily lead to confusion or have other adverse effects, and notify the applicant in writing and explain the reasons. After the transfer of a registered trademark is approved, it shall be announced. The transferee shall enjoy the exclusive right to use the trademark from the date of announcement.