Title 37-PATENTS, TRADEMARKS AND COPYRIGHTS is composed of one volume.The contents of this volume represent all current regulations codified under thistitle of the CFR as of July 1, 2023.The parts in chapter I, subchapter A, are regrouped according to subject matter.All parts pertaining to patents-parts 1, 3, 4, and 5-appear sequentially.All parts pertaining to trademarks-parts 2, 6, and 7-follow, also in sequence.Part 3, which pertains to both patents and trademarks, follows the first part.Indexes appear after parts 5, 7 and 41, within chapter I. An index to chapterII appears at the end of the chapter.