1-3 years 900
4-6 years old 1200
7-9 years old in 2000
10- 12 4000
13- 15 6000
16-20,8000
2. utility model
1-3 years 600
4-5 years 900
6-8 years old 1200
9- 10 2000
3. Design patents
1-3 years 600
4-5 years 900
6-8 years old 1200
9- 10 2000
The annual patent fee can be reduced or exempted. The annual patent fee can be reduced by 85% for individual applications, 70% for company applications, 70% for individuals and companies, and 70% for two or more companies.
You do the math yourself. The cost is different in different years.