Legal analysis: utility model patent is one of the three types of patents (invention, utility model and design), and utility model refers to a new practical technical scheme for the shape, structure or combination of products. The patent law requires lower creativity and technical level of utility model than invention patent, but it has great practical value. In this sense, utility models are sometimes called small inventions or small patents. Invention patent is a kind of patent protected by patent law. According to China's Patent Law, there are three kinds of inventions that can be protected by patents, including inventions, utility models and designs.
Legal basis: Article 2 of the Patent Law of People's Republic of China (PRC) Invention-creation as mentioned in this Law refers to inventions, utility models and designs.
Invention refers to a new technical scheme proposed for a product, method or its improvement.
Utility model refers to a new practical technical scheme for the shape, structure or combination of products.
Appearance design refers to a new design that is aesthetically pleasing and suitable for industrial application, which is made on the shape, pattern or their combination of products and all or part of the combination of colors, shapes and patterns.