37 CFR 41.1 : 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) — Practice Before The Patent Trial And Appeal Board (Section 41.1 To Section 41.208) — General Provisions (Section 41.1 To Section 41.20) — Policy.

(a) Scope. Part 41 governs appeals and interferences before the Patent Trial and Appeal Board. Sections 1.1 to 1.36 and 1.181 to 1.183 of this title also apply to practice before the Board, as do other sections of part 1 of this title that are incorporated by reference into part 41.

(b) Construction. The provisions of Part 41 shall be construed to secure the just, speedy, and inexpensive resolution of every proceeding before the Board.

(c) Decorum. Each party must act with courtesy and decorum in all proceedings before the Board, including interactions with other parties.