How long is the duration of patent protection?

The term of patent protection refers to the term of patent protection after the patent is granted the right. China's Patent Law stipulates that "the term of invention patent right is 20 years, and the term of utility model patent right and design patent right is 10 years, counting from the date of application".

Article 11 of the Patent Law After the patent right for invention and utility model is granted, except as otherwise provided in this Law, no unit or individual may exploit the patent without the permission of the patentee, that is, it may not manufacture, use, promise to sell, sell or import its patented products for production and business purposes, nor may it use its patented methods and use, promise to sell, sell or import products directly obtained according to the patented methods.