Legal basis: Article 37 of the Patent Law of People's Republic of China (PRC). 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limit; If no reply is made within the time limit without justifiable reasons, the application shall be deemed to be withdrawn.