For registration of a mark under USPTO, the basis of filing must be specified. There are five filing bases such as use of the mark in commerce, bona fide intention to use a mark in commerce, a claim of priority, based on an earlier-filed foreign application, ownership of a registration of the mark in the applicant’s country of origin, extension of protection of an international registration to the United States. The applicant may assert different bases for different classes, and may also assert different bases as to different goods or services within a class.