What is the annual fee for invention patents?

Annual fee payment: the annual fee for the year when the patent right is granted shall be paid at the same time as the registration formalities, and the annual fee for the future shall be paid before the expiration of the previous year. The expiration date of the payment period is the corresponding date of the application date of the current year. This annual fee can be paid by the applicant himself or by us. Fees and basis (1) Application fee 1, printing fee 50 2 Invention patent 900, utility model patent 500 3, design patent 500 (2) Maintenance fee for application for invention patent 300(3) Examination fee for application for invention patent 2500 (4) Review fee 1, and invention patent/kloc. Design patent 300 (5) handling fee for change of description 1, change of inventor, applicant and patentee 200 2, change of entrustment relationship between patent agency and agent 50 (6) priority claim fee 80 (7) recovery claim fee 1000 (8) revocation claim fee 1, invention patent right. Design patent 20 (9) invalidation request fee 1, invention patent 3000 2, utility model patent 1500 3, design patent 1500 (10) compulsory license request fee 1, invention patent 300 2, and practicality. Printing fee 1, invention patent 255 2, utility model patent 205 3, design patent 205 (XIII) surcharge 1, first extension request fee 300 per month, second extension request fee 2000 2 per month, claim surcharge 1 1 from each item/kloc. Additional expenses of the manual are increased by +0 (including the attached drawings of the manual) 100 (14) annual fee 1, invention patent 1-3 years, 9004-6 years 12007-9 years, 2000 years. The reduction and exemption ratio of application fee, invention examination fee and annual fee for three years after kloc-0/5 authorization is 70% for service inventions and 85% for non-service inventions, and 60% for service inventions and 80% for non-service inventions.