Legal analysis: the protection period of utility model is ten years. Utility model is an independent type of patent protection, which refers to a new technical scheme with applicability to the shape and structure of products or their combinations. Compared with the invention patent, the utility model is relatively low in creativity and technology, but it has great practical value.
Legal basis: According to Article 42 of the Patent Law of People's Republic of China (PRC), the term of invention patent is 20 years, and the term of utility model patent and design patent is 10 years, counting from the date of filing.