Novelty: It means that the invention or utility model does not belong to the prior art, that is, before the filing date, no unit or individual has filed an application for the same invention or utility model with the patent administration department of the State Council, and it is recorded in the patent application documents published or announced after the filing date.
Creativity: Compared with the prior art before the filing date, the invention has outstanding substantive features and remarkable progress, and the utility model has substantive features and progress.
Practicality: refers to the invention or utility model that can be manufactured or used and can produce positive effects.