1. Inventions include inventions, utility models and designs. It is necessary to determine the type before applying. Different types of applications have different conditions, fees, rights to be protected and economic benefits. Applicants should choose according to their own situation. The protection period of the invention is 20 years, and the protection period of the utility model and design is 10 years, counting from the date of application.
2. Invention patents are subject to preliminary examination and substantive examination, and utility models and designs are subject to preliminary examination before they are authorized to be announced.