1. The utility model application is authorized without substantive examination, so the evaluation report of China National Intellectual Property Administration Search Center must be issued before the rights protection. When applying for invention, you can directly defend your rights after substantive examination.
2.80% of the evaluation reports issued by utility models are not novel and creative, that is to say, 80% of the patent rights may be invalid, and it is impossible to protect rights; The invention is authorized by substantive examination, so it is more stable, less likely to be invalid, and easier to successfully defend rights in the later stage.
3. The domestic situation is that the utility model is mainly supplemented by the number, and the patent value is not great, so the rights protection can be successful immediately, and the compensation and negotiation power in the later period is not high; Compared with the invention, 1 invention may be worth 10 utility model.