There are two aspects: formal conditions and substantive conditions. Formal conditions mean that they should be recorded in writing on the patent application documents in the format stipulated by the Patent Law and its implementing rules, and various necessary requirements must be fulfilled in accordance with legal procedures. Procedures. Substantive conditions refer to the inventions and utility models for which patent rights are granted: (1) Novelty: An invention-creation with novelty should meet the following three conditions: ① Before the filing date, there is no identical invention-creation in the market. Published in domestic and foreign publications. The publications here include not only books, newspapers, magazines and other paper materials, but also audio and video files such as audio tapes, video tapes and records. ② It has not been publicly used in China, or in other ways Known to the public. The so-called publicly used means sold in the form of goods, or disseminated and applied through technical exchanges, or even made known to the public through television and radio. ③ Before the filing date of the application, there was no identical invention or Utility models have been applied for by others to the Patent Office and are recorded in patent application documents published later. Therefore, before submitting an application, the applicant should investigate the novelty of his invention and creation. If there is obviously no novelty, then It is not necessary to apply for a junior college. (2) Creativity Creativity means that compared with the existing technology, the invention for patent application must have outstanding substantive features and significant progress, and the utility model must have substantive features and progress. (3) Practicality Practicality means that the invention can be manufactured in batches in the production of industry, agriculture and other industries, or can be applied in industry or life, and can produce positive effects and increase economic benefits. The Patent Law stipulates that patent rights are granted The design shall be different or similar to the design that has been publicly published in domestic and foreign publications or publicly used domestically before the filing date.