35 U.S. Code § 113 - Drawings

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.

Source

(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.)
Historical and Revision Notes

Based 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.
Amendments

2002—Pub. L. 107–273made 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. 94–131substituted 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.
Effective Date of 1999 Amendment

Amendment by Pub. L. 106–113effective 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 Amendment

Amendment by Pub. L. 94–131effective 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 ofPub. L. 94–131, set out as an Effective Date note under section 351 of this title.

The table below lists the classification updates, since Jan. 3, 2012, for this section. Updates to a broader range of sections may be found at the update page for containing chapter, title, etc.

The most recent Classification Table update that we have noticed was Tuesday, August 13, 2013

An empty table indicates that we see no relevant changes listed in the classification tables. If you suspect that our system may be missing something, please double-check with the Office of the Law Revision Counsel.

35 USCDescription of ChangeSession YearPublic LawStatutes at Large

 

LII has no control over and does not endorse any external Internet site that contains links to or references LII.