801.01(b) Combined (Multiple-Class) Application
A combined or multiple-class application is an application 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 combined or multiple-class application, an applicant must pay a filing fee for each class. 37 C.F.R. §2.86(a)(2), (b)(2). The class numbers and corresponding goods or services must be listed separately, from the lowest to the highest number.
See TMEP §§1403–1403.07 for more information regarding combined or multiple-class applications.