Legal analysis: Japanese patents include inventions (called licenses), utility models and designs. Japanese invention patent refers to the technical scheme of a new method to improve the technical structure, method, process flow or process parameters of a product. The term of validity of the invention patent is 20 years from the date of application, and the term of validity of the invention patent for drugs and pesticides may be extended, but the longest term shall not exceed 5 years. Japanese utility model is a new technical scheme suitable for practical use by improving the shape, structure or technical characteristics of products.
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 with aesthetic feeling and suitable for industrial application based on the shape, pattern or combination of products and the combination of colors, shapes and patterns.