legal analysis: the writing format of the trademark power of attorney: first, the names, qualification certificates, addresses and contact information of both parties should be stated. Secondly, specify the details of the licensed trademark. Then specify the permitted use price and payment method of the trademark. The permitted use of the trademark, the rights and obligations of both parties, etc. Finally, the way to deal with the dispute and other agreed matters, including liability for breach of contract, are stated. It is recommended to entrust a professional to draft it.

legal basis: article 43 of the trademark law of the people's Republic of China, a trademark registrant may authorize others to use his registered trademark by signing a trademark license contract. The licensor shall supervise the quality of the goods in which the licensee uses its registered trademark. The licensee shall guarantee the quality of the goods using the registered trademark. Where a registered trademark of another person is used with permission, the name of the licensee and the place of origin of the goods must be marked on the goods using the registered trademark. Where another person is licensed to use his registered trademark, the licensor shall report his trademark license to the Trademark Office for the record and the Trademark Office shall make an announcement. A trademark license may not be used against a bona fide third party without filing.