Invention as mentioned in the patent law refers to a new technical scheme proposed for a product, method or its improvement. Its characteristics are as follows: firstly, the invention is a new technical scheme. It is a technical scheme to solve various problems in production, scientific research and experiment by using natural laws, and generally consists of several technical features. Secondly, inventions can be divided into product inventions and method inventions. Product inventions include all things created by people, and method inventions include all methods produced by inventions and creations that make use of natural laws. Methods The invention can be divided into manufacturing method and operation method. In addition, the invention protected by the patent law can also be an improvement of existing products or methods.
An invention granted a patent right shall be novel, creative and practical. Novelty means that before the filing date, no identical invention or utility model was 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 was applied to the patent administration department in the State Council 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 can be manufactured or used and can produce positive effects.