What are the essential conditions for granting the invention patent right?

1, novelty, refers to the invention does not belong to the existing technology; Before the filing date, no unit or individual has filed an application for the same invention 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. 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.