Legal analysis: the patent registration fee, announcement printing fee, specification change fee (change of the entrustment relationship between patent agency and agent) in the patent fee (domestic part) and the transfer fee in the PCT (patent cooperation treaty) patent application fee (international part) are stopped; After the implementation of the preferential policy of reducing the payment period from 10 year from the year when the patent right was granted, the holding cost of invention patents continued to decrease, and utility model patents and design patents could always enjoy annual fee reduction and exemption within the patent validity period (ten years).
Legal basis: Article 2 of the Measures for the Reduction and Exemption of Patent Fees: (1) Application fee (excluding publication and printing fee and application surcharge); (2) the substantive examination fee for an application for a patent for invention; (3) Annual fee (annual fee within six years from the year when the patent right is granted); (4) review fee.