For compulsory licenses stipulated in my country's current patent law, if one of the following circumstances occurs, a compulsory license to implement an invention patent or utility model patent may be granted: The patentee has completed three years from the date the patent right was granted. , and it has been four years since the filing of the patent application, the patent has not been implemented or has not been fully implemented without legitimate reasons; the patentee's behavior of exercising the patent right is recognized as a monopoly behavior in accordance with the law, in order to eliminate or reduce the impact of this behavior on competition of adverse effects.