904.01(b) Combined or Multiple-Class Applications
A combined or multiple-class application is a request to register the same mark for goods, services, and/or a collective membership organization in multiple classes in a single application. See 37 C.F.R. §2.86(a), (b). In a multiple-class application filed under §1(a), an applicant must provide one specimen of the mark supporting each class. 37 C.F.R. §2.86(a)(3), (b)(3). If a single specimen supports multiple classes, the applicant should indicate which classes are supported by the specimen. The examining attorney need not require multiple copies of the specimen. The examining attorney should enter a Note to the File in the record indicating which classes the specimen supports.
See TMEP §§1403-1403.06 regarding the requirements for and examination of multiple-class applications.