Validity period: The protection period of utility model patent rights and design patent rights is 5 years from the date of application. The patentee may apply for renewal for 3 years before expiration. The protection period of invention patents is 5 years from the date of application. 15 years from the date of application.
Invention patents: The protection period is 20 years from the date of application; the protection period for utility model patent rights and design patent rights is 10 years from the date of application.
Notes on Utility Model Patents
1. The patent name should briefly and accurately indicate the subject matter requested for protection in the patent application, 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 solution claimed for protection belongs should be the specific technical field to which it belongs or is directly applied;
3. The background technology part must be especially The citation contains the closest prior art document to the utility model patent application. In addition, it is also necessary to objectively point out the problems and shortcomings existing in the background technology, explain the reasons for the existence of such problems and shortcomings, and the difficulties encountered in solving these problems;
4. The technical solution is aimed at the current situation. There are defects and shortcomings in the technology, objectively and well-founded reflection of the technical problem to be solved by the utility model, and further explanation of its effect, and a clear and complete description of the technical features of the technical solution adopted by the invention or utility model to solve the technical problem. At the same time, the beneficial effects are explained;
Reference: Baidu Encyclopedia - Utility Model Patent