republic-os/legal/us/code/title-35/chapter-11/section-113.md

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LegalText	35 U.S.C. § 113	Drawings	us	united_states_code	code_section	35	PATENTS	11	APPLICATION FOR PATENT	113	35 U.S.C. § 113	current	119-100	2026-06-26	official	https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc35@119-100.zip	/us/usc/t35/s113	data/legal/raw/us/code/title-35/usc35.xml	8e7208afdf79d94a132de37c9875a1897b7afabebbbdc4545ad0639f3b785a40	736cab508592dcf50013a1aed5ab108f72fd8493e76afc46848cdc35da38bbe3	6beb52a521a8881edcb76b71e5e9d9506a0fb1184009c2163effca7bee018899	2026-07-04	official	legal us-code

35 U.S.C. § 113 - Drawings

Text

The applicant shall furnish a drawing where necessary for the understanding of the subject matter sought to be patented. When the nature of such subject matter admits of illustration by a drawing and the applicant has not furnished such a drawing, the Director may require its submission within a time period of not less than two months from the sending of a notice thereof. Drawings submitted after the filing date of the application may not be used (i) to overcome any insufficiency of the specification due to lack of an enabling disclosure or otherwise inadequate disclosure therein, or (ii) to supplement the original disclosure thereof for the purpose of interpretation of the scope of any claim.

(July 19, 1952, ch. 950, 66 Stat. 799; Pub. L. 94–131, § 8, Nov. 14, 1975, 89 Stat. 691; Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, § 4732(a)(10)(A)], Nov. 29, 1999, 113 Stat. 1536, 1501A–582; Pub. L. 107–273, div. C, title III, § 13206(b)(1)(B), Nov. 2, 2002, 116 Stat. 1906.)

Notes

Historical and Revision NotesBased on Title 35, U.S.C., 1946 ed., § 34, part (R.S. 4889, amended Mar. 3, 1915, ch. 94, § 2, 38 Stat. 958). The requirement for signature in the corresponding section of existing statute is omitted; regulations of the Patent Office can take care of any substitute. A redundant clause is omitted.

Editorial Notes

Amendments2002—Pub. L. 107–273 made technical correction to directory language of Pub. L. 106–113. See 1999 Amendment note below. 1999—Pub. L. 106–113, as amended by Pub. L. 107–273, substituted “Director” for “Commissioner”. 1975—Pub. L. 94–131 substituted provisions respecting drawings requiring necessary-for-understanding drawings and submission of drawings within prescribed time period and limiting use of drawings submitted after filing date of application for prior provision requiring the applicant to furnish a drawing when the nature of the case admitted it.

Statutory Notes and Related Subsidiaries

Effective Date of 1999 AmendmentAmendment by Pub. L. 106–113 effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, § 4731] of Pub. L. 106–113, set out as a note under section 1 of this title.

Effective Date of 1975 AmendmentAmendment by Pub. L. 94–131 effective Jan. 24, 1978, and applicable on and after that date to patent applications filed in the United States and to international applications, where applicable, see section 11 of Pub. L. 94–131, set out as an Effective Date note under section 351 of this title.