What are the conditions for granting a patent?

Requirements for granting patents: 1. The application documents shall be complete: request, specification, claim, abstract, picture or photograph. 2. Invention (achievement) should have "three characteristics" (novelty, creativity and practicality). 3. China's patent examination system is: early disclosure of invention patent application and request examination system (substantive examination). Formal examination of utility model patents and design patents.