CFR›Title 37›Chapter I›Part 6 ContainsSections 6.1–6.4CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 6—CLASSIFICATION OF GOODS AND SERVICES UNDER THE TRADEMARK ACT Sections 6.1 § 6.1 International schedule of classes of goods and services. 6.2 § 6.2 Prior U.S. schedule of classes of goods and services. 6.3 § 6.3 Schedule for certification marks. 6.4 § 6.4 Schedule for collective membership marks. AuthoritySecs. 30, 41, 60 Stat. 436, 440; 15 U.S.C. 1112, 1123; 35 U.S.C. 2, unless otherwise noted. Previous 5 Part 5—Secrecy of Certain Inventions and Licenses to Export and File Applications in Foreign Countries Next 7 Part 7—Rules of Practice in Filings Pursuant to the Protocol Relating to the Madrid Agreement Concerning the International Registration of Marks