37 CFR 11.39 : Patents, Trademarks, And Copyrights (Section 2.11 To Chapter V) — United States Patent And Trademark Office, Department Of Commerce (Parts 1 - 199) (Section 2.11 To Parts 151-199) — Unknown Title (Parts 2 - 90) (Section 2.11 To Section 90.3) — Representation Of Others Before The United States Patent And Trademark Office (Section 11.1 To Section 11.100) — Investigations And Disciplinary Proceedings; Jurisdiction, Sanctions, Investigations, And... (Section 11.19 To Section 11.61-11.99) — Hearing officer; appointment; responsibilities; review of interlocutory orders; stays.