Legal analysis: Inventions and creations include three categories, namely inventions, utility models and designs. Among them, the protection period of invention patent right is 20 years, and the protection period of utility model patent right and design patent right is 10 year.
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.