1904.07 Invalidation of Protection in United States
An extension of protection to the United States may be invalidated in an administrative or judicial proceeding governed by United States law, such as a cancellation proceeding before the Trademark Trial and Appeal Board or a federal court proceeding. The USPTO must notify the IB if an extension of protection to the United States is invalidated. Article 5(6). The requirements for a notice of invalidation are set forth in Common Reg. 19.