What is the general compulsory license of patent right?

Legal analysis: It means that when a unit with implementation conditions requests the patentee of an invention or utility model to license its patent implementation on reasonable terms, but fails to obtain the license within a reasonable period of time, the patent administrative department of the State Council will grant the invention or utility model a compulsory license according to the application of the unit.

Legal basis: Under any of the following circumstances stipulated in Article 48 of the Patent Law of People's Republic of China (PRC), the the State Council Patent Administration Department may grant a compulsory license to exploit the invention patent or utility model patent upon the application of a unit or individual with the conditions for implementation. 1. It has been three years since the patent right was granted and four years since the patent application was filed, and the patentee has not implemented or fully implemented his patent; 2. The patentee's behavior of exercising the patent right is recognized as monopolistic behavior according to law, so as to eliminate or reduce the adverse effects of this behavior on competition.