2. The definition of invention in the second paragraph of Article 2 of China's Patent Law is: "Invention refers to a new technical scheme proposed for a product, method or its improvement";
3. Paragraph 3 of Article 2 of China's Patent Law defines utility model as: "Utility model refers to a new and practical technical scheme for the shape, structure or combination of products";
4. The fourth paragraph of Article 2 of China's Patent Law defines design as: "Design refers to a new design that is aesthetically pleasing and suitable for industrial application based on the shape, pattern or combination of colors, shapes and patterns of a product";
5. As a part of intellectual property, patent is an intangible property with characteristics different from other properties. Literally, it refers to exclusive rights and interests. The word "patent" comes from Latin, which means open letters or open documents, and later refers to the exclusive right certificate signed by the king of England himself.