- Opposition against the registration of the brand
Anyone who has an interest against the registration of a trademark, may make an opposition claim requesting the cancellation of the registration of a trademark by sending a reasoned opinion to the Director General of OAPI accompanied by the document proving the payment of the opposition fee.
The opposition application must be made within 6 months of the publication of the mark registered in the Official Bulletin of the Organization.
- Request of the annulment of a trademark by a Well-known brand
It should be noted, however, that the owner of a well-known trademark may claim the annulment before the courts of the effects on the national territory of one of the Member States of the deposit of a trademark liable to create confusion with his own. Such action may not be commenced after the expiration of five years from the date of filing, if it has been effected in good faith.