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.
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.
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.