relevant laws stipulate that Article 42 of the Trademark Law of the People's Republic of China
Where a registered trademark is assigned, the assignor and the assignee shall sign an assignment agreement and file an application with the Trademark Office. The transferee shall guarantee the quality of the goods using the registered trademark.
where a registered trademark is transferred, the trademark registrant shall transfer the similar trademark registered on the same commodity or the same or similar trademark registered on similar commodities.
the trademark office will not approve the transfer that may easily lead to confusion or have other adverse effects, and notify the applicant in writing and explain the reasons.
after the transfer of a registered trademark is approved, it shall be announced. The transferee shall enjoy the exclusive right to use the trademark from the date of announcement.
article 43 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.
anyone who uses another person's registered trademark with permission must indicate the name of the licensee and the place of origin of the goods on which the registered trademark is used.
if 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.