What are the characteristics and benefits of the patent system?

The characteristic of the patent system is that the state protects inventions by legal means, that is, by granting patents for a certain period of time in exchange for the inventors to disclose their inventions to the society. The patent history of more than 500 years shows that the patent system encourages invention, promotes technological progress and promotes the development of productive forces. Firstly, the patent system can encourage the patentee to actively implement his patented technology; Secondly, the patent system creates more favorable conditions for others to implement patented technology; Thirdly, the patent system is conducive to the introduction of foreign advanced science and technology, but also conducive to China's advanced science and technology to the world, thus promoting the international promotion and application of inventions.