legal ground
Article 37 of the patent law
After examining the application for a patent for invention in substance, the administrative department for patent in the State Council considers that it does not conform to the provisions of this Law, it shall notify the applicant and ask him to state his opinions or amend his application within a specified time limit; If no reply is made within the time limit without justifiable reasons, the application shall be deemed to be withdrawn.
Article 40
If the application for a patent for utility model or design is not found rejected after preliminary examination, the administrative department for patent in the State Council shall make a decision to grant the patent right for utility model or design, issue the corresponding patent certificate, and register and announce it at the same time. The patent right for utility model and the patent right for design shall take effect as of the date of announcement.