Detailed explanation of three kinds of patents

Three categories of patents are explained in detail. Patents are mainly divided into three categories: invention patents, utility models and designs. The following small series introduces these three classifications in detail. Detailed description of three types of patents. Invention patent, product, method or its improved new technical scheme. The protection period is 20 years, and the authorization notice from the patent office is received in about 3 years. Two, utility model, product shape, structure or their combination is suitable for practical new technical solutions. The protection period is 10 years, and the authorization notice from the patent office was received from 10 to1February. 3. Appearance design, also known as industrial product appearance design, refers to a new design with aesthetic feeling and suitable for industrial application based on the shape, pattern or their combination of products and the combination of color, shape and pattern. The protection period is 10 year, and the authorization notice from the patent office is received within 5~6 months.