How is the change fee charged by the patentee? Where the patentee changes, it shall go through the formalities for filing the project change in China National Intellectual Property Administration and submit a statement for filing the project change. (The column "Office Area and Form Download" on the homepage of China National Intellectual Property Administration website has 1000 16 to explain the download of project change declaration) 1. 200 yuan shall pay the change fee for describing the project within one month from the date of the request. 2. supporting documents: if the patentee requests changes due to the transfer or gift of rights, it shall submit the transfer or gift contract. The contract is concluded by the unit, which shall be stamped with the official seal of the unit or the special seal for the contract. When concluding a contract, a citizen shall sign or seal it. If there is more than one patentee, all the certification materials that the patentee agrees to transfer or donate shall be submitted. 3. The statement of project change and supporting documents (patent transfer contract) are sent to China National Intellectual Property Administration Acceptance Bureau by registered mail or EMS; The recording project change fee will be remitted to China National Intellectual Property Administration toll station through the post office. Pay attention to the postscript column of the post office money order: "Patent number, 200 yuan for recording project change fee".