The test site of this question is: the patent-related content in the main forms of intellectual property rights.
According to the patent law of our country, the term of invention patent is 20 years, and the term of utility model and design patent is 10 years, all of which are counted from the date of application. According to the information of "patent application for utility model", the time limit is 10 year, 65438 is calculated from the date of application, and 20 15 August 13.