2. The technical field to which the technical scheme to be protected belongs shall be the specific technical field to which it belongs or is directly applicable;
3. In the background section, especially the existing technical documents containing the closest utility model patent application should be cited. In addition, it is necessary to objectively point out the problems and deficiencies in the background technology, explain the reasons for these problems and deficiencies and the difficulties encountered in solving these problems;
4. The technical scheme objectively and truthfully reflects the technical problems to be solved by the utility model, further explains its effect, clearly and completely describes the technical features of the technical scheme adopted by the invention or utility model to solve its technical problems, and at the same time explains the beneficial effects;
5. If there are drawings, the name of the drawings shall be indicated, and the contents of the drawings shall be briefly explained. In the case of many parts, it is allowed to explain the specific parts names in the attached drawings in the form of a list;
6. Time required: It usually takes about 8~ 12 months from application to authorization, and the utility model patent certificate will be issued within three months after the authorization procedure is completed.
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