legal ground
After the patent right of invention and utility model in Article 11 of the Patent Law of People's Republic of China (PRC) has been granted, unless 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, or use its patented methods and use, promise to sell, sell or import products directly obtained according to the patented methods. After the design patent is granted, no unit or individual may exploit its patent without the permission of the patentee, that is, it may not manufacture, promise to sell, sell or import its patented product for production and business purposes. Article 34 After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, and shall publish it after 18 months from the date of filing. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.