1. Invention patent: Invention refers to a new technical scheme proposed for a product, method or its improvement.
2. Patent for utility model: Utility model refers to a new technical scheme for the shape, structure or combination of products, which is suitable for practical use.
3. Design patent: Design refers to a new design based on shape, pattern or their combination, as well as the combination of color, shape and pattern, which is aesthetic and suitable for industrial application, that is, the style of the product.