1, novelty. Novelty as mentioned in the patent law refers to:
(1) Before submitting the application to the Patent Office, similar inventions had not been published in domestic and foreign publications.
(two) has not been publicly used in China, or otherwise known to the public.
(3) Before the filing date of the application, no similar invention or utility model has been filed with the Patent Office by others and recorded in the patent application documents published later.
(4) Before submitting the application, the applicant shall conduct a comprehensive investigation on the novelty of his invention and creation. If there is obviously no novelty, there is no need to apply for a patent.
2. Creativity. Compared with the prior art before the filing date of this patent application, the invention has outstanding substantive characteristics and remarkable progress. The utility model has substantial characteristics and progress. The so-called "substantive features" refer to the essential differences, qualitative leaps and breakthroughs compared with the existing technology, and the technical changes and breakthroughs applied for are not obvious to ordinary technicians in this field. The so-called "progress compared with the prior art" means that the invention or utility model has technical advantages or obvious technical advantages compared with the prior art.
3. practicality. Practicality as mentioned in the patent law means that the invention-creation for which a patent is applied can be manufactured in batches in the production of industries such as industry and agriculture or can be applied in industry or life, and can produce positive effects.
4. design. According to the Patent Law, a design that has been granted a patent right should be different from and not similar to a design that has been publicly published in domestic and foreign publications or used in China before the filing date.