China National Patent Application Process
Date：2020-04-02 Views：5812
According to the Patent Law of the People's Republic of China, the approval process for invention patent applications includes five stages: acceptance, preliminary examination, publication, substantive examination and authorization. Utility model or design patent applications do not undergo early publication and substantive examination during the approval process. There are only three stages: acceptance, preliminary examination and authorization.
The application and review flow chart for invention, utility model and design patents is as follows:
