according to the provisions of China's trademark law, the applicant for trademark registration obtains the exclusive right to use a trademark from the date when the trademark is approved for registration. In order to protect the legitimate rights and interests of the trademark registration applicant, the current trademark law has made special provisions on the case of "approval of registration after ruling that the objection cannot be established", that is, if the registration is approved after ruling that the objection cannot be established, the trademark registration applicant will obtain the exclusive right to use the trademark from the date of the expiration of three months of the preliminary examination announcement. Legal basis: Articles 34 and 37 of the Trademark Law. That is, the starting point of the time when the registrant obtains the exclusive right to use the trademark is the general starting point, that is, the date of approval of registration.