A: An example of an invalid international trademark is Central Attack. If an international registered trademark is invalidated by Central Attack, it is possible to apply for a change to a Vietnamese domestic trademark registration application for some or all of the goods or services recorded as the invalid international registered trademark. In this case, the filing date will be the filing date or priority date of the invalidated international registration. Provided however, the application shall be submitted within three months from the date of invalidation of the relevant mark international registration.

What is Central Attack? Central Attack shall be valid if the application for trademark registration, etc., on which the international registration is based is refused, withdrawn, or abandoned within 5 years from the date of international registration, or if the trademark registration, etc., on which the basis is based expires or is invalid Or in the case of cancellation, all or part of the international registration shall be canceled within the scope of cancellation.