The sum of legal norms that adjust certain social relationships arising from inventions and creations and promote technological progress and economic development. By its nature, patent law is both domestic law and foreign-related law; it is both substantive law that establishes the rights and obligations of the patentee, and procedural law that stipulates a series of procedural systems for patent application, examination, and approval; it is both It is a law that regulates the vertical relationship between patent application, examination, approval and patent implementation management, and it is also a law that regulates the horizontal relationship between patent ownership, patent transfer and licensing; it is a law that regulates both the personal relationship of patents and the property relationship. It mainly includes the following contents: qualifications of invention patent applicants, protection objects of patent law, patent application and examination procedures, conditions for obtaining patents, patent agency, ownership of patent rights, occurrence and elimination of patent rights, patent protection period, patent rights Rights and obligations of persons, patent implementation, transfer and use licenses, protection of patent rights, etc. On March 12, 1984, the Standing Committee of the People's Republic of China and the National People's Congress passed and promulgated the "Patent Law of the People's Republic of China". On January 19, 1985, with the approval of the State Council, the China Patent Office announced the "Patent Law of the People's Republic of China". Implementing Rules for the Patent Law of the People's Republic of China. The invention-creation patents protected by China's patent law include invention patents, utility model patents and design patents.