legal ground
Article 26 of the Patent Law of People's Republic of China (PRC)
To apply for a patent for invention or utility model, a written request, a specification, an abstract thereof, a patent claim and other documents shall be submitted.
The request shall specify the name of the invention or utility model, the name of the inventor, the name and address of the applicant and other matters.
The specification shall give a clear and complete description of the invention or utility model, which shall be subject to the realization of the technical personnel in the technical field; Attached drawings shall be attached when necessary. The technical points of the invention or utility model shall be briefly explained.
The patent claim shall be based on the specification, and clearly and briefly define the scope of patent protection.
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.