Legal analysis: Time required for patent application: (1) Generally, an application for a patent for invention can receive a notice of authorization in more than 3 years. (2) The utility model patent can generally receive the authorization notice within 12-17 months. (3) Generally, the design patent can receive the authorization notice within 8-12 months.
Legal basis: Patent Law of the People's Republic of China
Article 35 Within three years from the date of filing, the patent administration department in the State Council may, upon the request of the applicant at any time, conduct substantive examination of the application; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn. The administrative department for patent in the State Council may, when it deems it necessary, examine the application for a patent for invention on its own.
Article 4 If the application for a patent for utility model or design is not found to be rejected after preliminary examination, the patent administration department of 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.