When licensing others to use a registered trademark, the licensor shall submit a copy of the contract to the Trademark Office for filing within 3 months from the date of signing the trademark license contract. When submitting for filing, the licensor should submit the "Trademark License Contract Registration Form", a copy of the trademark license contract, a copy of the "Trademark Registration Certificate", and pay the filing fee in accordance with regulations. Trademark license contract filing fee: A fee of 300 yuan should be paid to the Trademark Office for each trademark license contract filing application.