(1) The pledgor is not the legal owner of the exclusive right to use a trademark;
(2) The ownership of the exclusive right to use a trademark is unknown;
(three) other non-compliance with laws and regulations.
In any of the following circumstances, the registration authority shall cancel the registration:
(a) found inconsistent with the facts after registration;
(two) after registration, it is found that there is one of the circumstances stipulated in Article 7 of this procedure;
(3) It is found that the pledge contract is invalid after registration;