CFR›Title 37›Chapter I›Part 4 ContainsSections 4.1–4.6CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 4—COMPLAINTS REGARDING INVENTION PROMOTERS Sections 4.1 § 4.1 Complaints regarding invention promoters. 4.2 § 4.2 Definitions. 4.3 § 4.3 Submitting complaints. 4.4 § 4.4 Invention promoter reply. 4.5 § 4.5 Notice by publication. 4.6 § 4.6 Attorneys and Agents. Authority35 U.S.C. 2(b)(2) and 297.Source65 FR 3129, Jan. 20, 2000, unless otherwise noted. Previous 3 Part 3—Assignment, Recording and Rights of Assignee Next 5 Part 5—Secrecy of Certain Inventions and Licenses to Export and File Applications in Foreign Countries