Legal basis: People's Republic of China (PRC) Patent Law.
Article 11 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 the patented product for production and business purposes, nor may it use the patented method and use, promise to sell, sell or import the product directly obtained according to the patented method.
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 12 Any unit or individual that exploits another person's patent shall conclude an exploitation license contract with the patentee and pay the patentee the royalties. The licensee has no right to allow any unit or individual other than those stipulated in the contract to exploit the patent.
Article 23 A design that has been granted a patent right does not belong to an existing design; Before the filing date, no unit or individual has filed an application with the patent administration department of the State Council for the same design, and it is recorded in the patent documents published after the filing date.
Compared with the existing design or the combination of existing design features, the patented design should have obvious differences.
A design that has been granted a patent right shall not conflict with the legal rights that others have obtained before the date of application.
Existing designs as mentioned in this Law refer to designs known to the public at home and abroad before the date of application.