It takes about 6-8 months for a utility model to be formally reviewed. Once the formalities are passed, the certificate and authorization can be issued, and the authorization notice can be issued in less than half a year.
Utility model patent is one of three patent types (invention, utility model and design).
Utility model patents refer to new technical solutions proposed for the shape, structure or combination of products that are suitable for practical use. The Patent Law requires utility model patents to have lower creativity and technical level requirements than invention patents, but have greater practical value.