Several problems about patent right 1, the purpose of patent right setting 2, the three characteristics of patent: exclusivity, timeliness and regionality.

1 See Article 1 of the Patent Law of China. The purpose of patent design in China is to protect the legitimate rights and interests of patentees, encourage invention and creation, promote invention and application, improve innovation ability and promote scientific and technological progress and economic and social development; The origin of the patent system is actually to encourage innovation.

Exclusive, time-saving and regional

This year's Little I War, the patent wars between Apple and Samsung in various countries, and the patent lawsuit of Pfizer Viagra, I can always study artificial bovine insulin and so on.