Legal analysis: According to the relevant laws and regulations of our country, compulsory patent license refers to the patent license issued by the patent management department according to the conditions and procedures. After obtaining the license, the applicant may exploit his patent without the consent of the patentee, but he shall pay the patentee a reasonable royalty. The objects of compulsory license only refer to invention patents and utility model patents, excluding design.
Legal basis: Article 54 of the Patent Law of People's Republic of China (PRC). In case of national emergency or special circumstances, or for the purpose of public interest, the administrative department for patent in the State Council may grant a compulsory license to exploit a patent for invention or utility model.