Legal analysis: the characteristics of patent right are: (1) exclusiveness; (2) timeliness; (3) regionality. After the patent right for invention and utility model is granted, no unit or individual may exploit the patent without the permission of the patentee, except as otherwise provided in this Law.
Legal basis: Article 11 of the Patent Law of People's Republic of China (PRC), after the patent right for invention and utility model is granted, no unit or individual may exploit the patent without the permission of the patentee, except as otherwise provided in this Law.