Legal analysis: Patent right has three characteristics: exclusiveness, regionality and timeliness. (1) exclusivity, that is, exclusivity. It means that in a certain time and area, no unit or individual may exploit its patent without the permission of the patentee. (2) Regionality means that the patent right is a right with geographical restrictions and is only valid within the statutory jurisdiction. (3) Timeliness means that a patent is only valid within the time limit prescribed by law.
Legal basis: Patent Law of People's Republic of China (PRC) Article 1 This Law is formulated for the purpose of protecting the legitimate rights and interests of patentees, encouraging inventions and creations, promoting the application of inventions and creations, improving innovation ability, and promoting scientific and technological progress and economic and social development.