According to the Patent Law, the approval process for invention patent applications includes five stages: acceptance, preliminary examination, publication, substantive examination and authorization.
To apply for a patent, you must submit necessary application documents to the State Intellectual Property Office in accordance with regulations. The application documents can be submitted directly to the State Intellectual Property Office’s acceptance office and agencies, or they can be registered and mailed to the State Intellectual Property Office. You can entrust an agency to handle it.
To apply for an invention patent, you must submit a request, description, claims, abstract of the description, necessary drawings and other documents.
The application and review flow chart for invention patents is as follows:?