Novelty: refers to the fact that the same invention or utility model has not been publicly published in domestic and foreign publications, publicly used in China or known to the public in other ways before 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.