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 China, the term of invention patent is 2 years, and the term of utility model and design patent is 1 years, all of which are calculated from the date of application. According to the information in this topic, "Apply for utility model patent", the term is 1 years, which is calculated from the date of application on August 13, 215, that is, until August 12, 225.