According to the Patent Law, the examination and approval procedure of an application for a patent for invention includes five stages: acceptance, preliminary examination, publication, actual examination and authorization. The application for a patent for utility model or design does not carry out early publication and substantive examination in the examination and approval, but only has three stages: acceptance, preliminary examination and authorization. ?
The flow chart of patent application and examination for invention, utility model and design is as follows:
1, prepare the application documents.
To apply for a patent for utility model, the application documents shall include: the request for a patent for utility model, the abstract and appended drawings of the specification, the patent claim, the specification and appended drawings of the specification in duplicate, which generally takes 10-30 days.
Attachment: Example of writing utility model patent application
Step 2 submit an application
3. Preliminary examination of utility model patent.
The utility model patent does not need substantive examination.
4. Refusal or authorization
If the application for a patent for utility model and design is not found rejected after preliminary examination, the China National Intellectual Property Administration Patent Office will issue a notice of authorization and a notice of registration.
Step 5 pay for it
6. Issue patent certificates.
Patent application process