Start time of patent protection period

Legal Analysis: In China, different types of inventions have different protection periods. The term of the invention patent is 20 years; The term of utility model patent and design patent is 10 year, counting from the date of application.

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.