Patent transfer requires both parties to sign a patent transfer contract, and then go through the formalities of changing the description items at the relevant state intellectual property units. To go through the formalities of filing project change, you need to submit 1 declaration and filing project change declaration. 2. Proof materials (patent right transfer contract): If the patentee requests to change due to the right transfer or gift, 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. Pay the recording project change fee within one month from the date of request, 200 yuan.