In the late Qing Dynasty, the Qing government implemented a patent system, allowing companies to enjoy long-term production and operation monopolies. In 1912, the Beijing government stipulated that t

In the late Qing Dynasty, the Qing government implemented a patent system, allowing companies to enjoy long-term production and operation monopolies. In 1912, the Beijing government stipulated that the maximum term of patent protection was

B

Test question analysis: The material only involves patent issues and does not prove that there is a complete economic and legal system, so A is wrong, based on material patents The maximum term is five years, which is not for government-owned enterprises, so C is wrong, and item D is too absolute. The material reflects that the maximum term of a patent is five years, and rejecting Zhou’s thirty-year application is conducive to preventing Monopoly, so choose B