legal analysis: not illegal. In the process of trademark authorization, after both parties have determined the distribution of benefits and the form of trademark authorization, what remains to be done is to go to the Trademark Office to apply for trademark authorization for filing. The trademark license is effective only after the staff of the Trademark Office have examined and confirmed the certificate of the trademark holder and announced the trademark license qualification. A trademark that has not been registered with the Trademark Office will not have any legal effect, and naturally it will not be protected by legal monitoring.

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.