Invention patent: refers to a new technical scheme proposed for a product, method or its improvement. An invention that can be patented can be a product invention or a method invention.
Patent for utility model: refers to a new technical scheme suitable for practical use for the shape, structure or combination of products. An application for a patent for utility model must be a product patent application.
Design patent: a new design of a product's shape, pattern, color or their combination, which is aesthetic and suitable for industrial application. The new design can be a graphic design of lines, patterns or colors, or a three-dimensional modeling of the product.
Technical patents refer to patents related to the working principle or structure of products, including invention patents and utility model patents.