What are the requirements for applying for a patent for invention?

The requirements of an application for a patent for invention are as follows: According to the provisions of the Patent Law, an invention refers to a new technical scheme proposed for a product, a method or its improvement, which can be divided into two categories: product invention and method invention. According to the regulations, inventions granted patent rights need to be novel, creative and practical. 1. Novelty means that the invention does not belong to the existing technology, and before the filing date, no unit or individual has applied to the patent administrative department of the State Council for the same invention, and it is recorded in the patent application documents or patent documents published after the filing date. 2. Creativity means that the invention has outstanding substantive characteristics and remarkable progress compared with the existing technology before the filing date. 3. Practicality means that the invention can be manufactured or used and can produce positive effects. Among them, the existing technology refers to the technology known to the public at home and abroad before the application date. Therefore, novelty, creativity and practicality are the necessary conditions for granting the invention patent right.