Legal analysis: 1. Patent application date is a term used in patent laws and regulations, and it is counted from the date when the patent application documents are submitted to the patent administration department of the State Council. If the application documents are mailed, the postmark date of mailing shall be the application date. Where the applicant enjoys priority, the priority date shall be regarded as the filing date. 2. If the application for a patent for invention is rejected after substantive examination, the administrative department for patent in the State Council shall make a decision to grant the patent right for invention, issue a patent certificate for invention, and register and announce it at the same time. The invention patent right shall take effect as of the date of announcement. 3. 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.
Legal basis: People's Republic of China (PRC) Patent Law.
Article 28 The date when the patent administrative department in the State Council receives the patent application documents shall be the filing date. If the application documents are mailed, the postmark date of mailing shall be the application date.
Article 39 If the application for a patent for invention is not found to be rejected after substantive examination, the administrative department for patent in the State Council shall make a decision to grant a patent right for invention, issue a patent certificate for invention, and register and announce it at the same time. The invention patent right shall take effect as of the date of announcement.
Article 40 If the application for a patent for utility model or design is not found to be 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.