Are patents graded?

Legal analysis: No matter. Patent is a kind of technology, which needs to be examined and authorized by China National Intellectual Property Administration, and it is classified into different types, regardless of grade. Among them, invention patent and utility model patent are two different patent types. Both invention patents and utility model patents need to submit application materials to China National Intellectual Property Administration in the application process.

Legal basis: People's Republic of China (PRC) Patent Law.

Article 26 Where an applicant applies for a patent for invention or utility model, he shall submit the written request, specification and its abstract, patent right and other documents.

Article 31 An application for a patent for an invention or utility model shall be limited to one invention or utility model. Two or more inventions or utility models belonging to a general inventive concept may be filed as one application. An application for a patent for design shall be limited to one design. Two or more similar designs of the same product, or two or more designs of products used in the same category and sold or used in sets, may be filed as one application.