1. Subject qualification materials: the company needs to provide a business license when applying, and the individual needs to provide a personal ID card when applying for a patent;
2. Application documents: the request for a patent for utility model, the specification, the claims, the appended drawings of the specification, the abstract of the specification and the appended drawings of the abstract;
3. Fee waiver materials: individuals need to provide corresponding income certificates, and the company owner needs the enterprise income tax return form of the previous year.
4. If a patent agency is entrusted, a power of attorney for patent agency is also required.