Legal basis: The term "utility model" as mentioned in Article 2 of the Patent Law of People's Republic of China (PRC) refers to a new technical scheme suitable for practical use for the shape, structure or combination of products. Article 42 The term of patent right for invention is 20 years, and the term of patent right for utility model and patent right for design is 10 years, counting from the date of application. Article 43 The patentee shall pay the annual fee from the year when the patent right is granted.