To file a trademark license contract, it is necessary to prepare a license contract; Identification documents of both parties (copy of business license or personal ID card); Copy of trademark registration certificate; Application for trademark license contract. Where an entrusted agency applies, a power of attorney shall be submitted. After submitting the application, the Trademark Office will issue the Notice of Acceptance of Trademark License Contract Filing in about one month; About three months later, the trademark license contract was filed, and the Trademark Office issued the trademark license contract for the record.