Legal analysis: the protection period of utility model patent and design patent is 10 year from the date of application. The utility model patent is one of three kinds of patents (invention, utility model and design), and utility model refers to a new practical technical scheme for the shape, structure or combination of products.
Legal basis: Article 42 of the Patent Law of People's Republic of China (PRC) has a term of 20 years, and the term of utility model patent and design patent is 10 years, counting from the date of filing.