Compulsory license is based on the provisions of Chapter VI of the Patent Law, namely Articles 48-58. Inventions or utility model patents directed at any patentee (note: design patents are not involved). There are many trigger conditions, including reasons: the patentee has not fully implemented it, the patentee has monopolistic behavior, the country has emergencies, involving public interests, drug support for underdeveloped countries, cross-licensing, and so on. Units applying for permission are not limited to provincial and ministerial units, but can be ordinary enterprises or individuals. The scope of the license is who applies and who benefits.