"Three natures" refers to the novelty, creativity and practicality of the invention-creation required by the patent application. Because of the different types of patent applications, examiners have different emphases on "three natures" in the process of examination. The invention patent should be consulted highly, and the key point of examination is creativity; The key points of patent examination for utility model and design are novelty and practicality.
Extended data:
It is a process requirement to check the complaint data mode, because all patents are filed for later use, promotion, transfer and business, and the complaint data mode is unified and easy to manage. If your application information is wrong, the examiner will be "opinionated", and you have nothing to say whether you correct it or reject it!
To apply for a patent for invention and utility model, the materials to be submitted can be simply summarized as "five books", including: ① patent request, ② abstract and abstract drawings, ③ declaration, ④ patent claim and ⑤ declaration drawings, each in duplicate. The materials required to request a patent for design are: ① a patent request for design, ② pictures or photos (color pictures or photos are required to be kept), and ③ a brief description of design in duplicate.