37 CFR 1.81 (pre-AIA): Drawings required in patent application
Taken from the Ninth Edition of the MPEP, Revision 10.2019, Last Revised in June 2020
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1.81 (pre-AIA) Drawings required in patent application.[Editor Note: Para. (a) below is applicable to patent applications filed before September 16, 2012*]
- (a) The applicant for a patent is required to furnish a drawing of his or her invention where necessary for the understanding of the subject matter sought to be patented; this drawing, or a high quality copy thereof, must be filed with the application. Since corrections are the responsibility of the applicant, the original drawing(s) should be retained by the applicant for any necessary future correction.
[ * Para. (a) above is applicable to applications filed before Sept. 16, 2012. See § 1.81 for the current rule including para. (a) applicable to applications filed under 35 U.S.C. 111 on or after Dec. 18, 2013. See § 1.81 (2012-09-16 thru 2013-12-17) for para. (a) applicable to applications filed under 35 U.S.C. 111(a) or 363 on or after Sept. 16, 2012 and before Dec. 18, 2013. ]