Regulations last checked for updates: Feb 06, 2026

Title 37 - Patents, Trademarks, and Copyrights last revised: Jan 01, 2026
authority: 35 U.S.C. 206; DOO 30-2A
source: 52 FR 8554, Mar. 18, 1987, unless otherwise noted.
cite as: 37 CFR 401.15