Title 35PatentsRelease 119-73not60

§25 Declaration in Lieu of Oath

Title 35 › Part I— UNITED STATES PATENT AND TRADEMARK OFFICE › Chapter 2— PROCEEDINGS IN THE PATENT AND TRADEMARK OFFICE › § 25

Last updated Apr 5, 2026|Official source

Summary

The Director of the Patent and Trademark Office can make a rule that lets people use a written declaration instead of taking an oath for any document filed with the Office that normally must be sworn. If a written declaration is used, the form must warn the signer that lying on it can bring fines or prison under 18 U.S.C. 1001.

Full Legal Text

Title 35, §25

Patents — Source: USLM XML via OLRC

(a)The Director may by rule prescribe that any document to be filed in the Patent and Trademark Office and which is required by any law, rule, or other regulation to be under oath may be subscribed to by a written declaration in such form as the Director may prescribe, such declaration to be in lieu of the oath otherwise required.
(b)Whenever such written declaration is used, the document must warn the declarant that willful false statements and the like are punishable by fine or imprisonment, or both (18 U.S.C. 1001).

Legislative History

Notes & Related Subsidiaries

Editorial Notes

Amendments

2002—Subsec. (a). Pub. L. 107–273 made technical correction to directory language of Pub. L. 106–113. See 1999 Amendment note below. 1999—Subsec. (a). Pub. L. 106–113, as amended by Pub. L. 107–273, substituted “Director” for “Commissioner” in two places. 1975—Subsec. (a). Pub. L. 93–596 substituted “Patent and Trademark Office” for “Patent Office”.

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. 93–596 effective Jan. 2, 1975, see section 4 of Pub. L. 93–596, set out as a note under section 1111 of Title 15, Commerce and Trade.

Reference

Citations & Metadata

Citation

35 U.S.C. § 25

Title 35Patents

Last Updated

Apr 5, 2026

Release point: 119-73not60