legal ground
Article 25 of the Regulations on the Implementation of the Trademark Law of People's Republic of China (PRC)
After receiving an application for trademark objection, the Trademark Office shall accept it if it meets the acceptance conditions after examination, and issue a notice of acceptance to the applicant.
Article 27
The Trademark Office shall promptly send a copy of the trademark objection materials to the objector, and limit him to make a reply within 30 days from the date of receiving the copy of the trademark objection materials.
Where a party needs to supplement relevant evidence after filing an objection application or defense, it shall make a statement in the trademark objection application or defense, and submit it within 3 months from the date of filing the trademark objection application or defense; If it is not submitted at the expiration of the time limit, it shall be deemed that the parties have given up supplementing relevant evidence materials.
Article 28
If the registered trademark has been announced before the Trademark Office makes a decision on approval or disapproval of registration, the registered announcement shall be revoked. If the objection is not established after examination and registration is granted, it shall be announced again after the decision to grant registration takes effect.