Invention patent: the protection period is 20 years from the date of application; The protection period of utility model patent and design patent is 10 year from the date of application.
Matters needing attention in utility model patent
1, the patent name should indicate the title of the subject protected by the patent application briefly and accurately, and should not contain non-technical words, vague and general words, generally no more than 25 words;
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. Aiming at the defects and deficiencies in the prior art, this technical scheme objectively and truthfully reflects the technical problems to be solved by the utility model, further explains its effects, clearly and completely describes the technical characteristics 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;
References:
Baidu encyclopedia-utility model patent