Regulations last checked for updates: May 03, 2025

Title 37 - Patents, Trademarks, and Copyrights last revised: Apr 30, 2025
§ 1.437 - The drawings.

(a) Drawings are required when they are necessary for the understanding of the invention (PCT Art. 7).

(b) The physical requirements for drawings are set forth in PCT Rule 11 and shall be adhered to.

[72 FR 51563, Sept. 10, 2007]
authority: 35 U.S.C. 2(b)(2), unless otherwise noted
source: 24 FR 10332, Dec. 22, 1959, unless otherwise noted.
cite as: 37 CFR 1.437