Novelty means that before the filing date, no identical invention or utility model has been published in publications at home and abroad, used in China or known to the public in other ways, and no identical invention or utility model has been applied to the Patent Office by others and recorded in the patent application documents published after the filing date.
Creativity means that 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 means that the invention or utility model can be manufactured or used and can produce positive effects.