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LegalText 35 U.S.C. § 254 Certificate of correction of Patent and Trademark Office mistake us united_states_code code_section 35 PATENTS 25 AMENDMENT AND CORRECTION OF PATENTS 254 35 U.S.C. § 254 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/s254 data/legal/raw/us/code/title-35/usc35.xml 06a60312ab3cd1f4996ae8dcea5724a3e3b8f2865dc731995c30ff8cd9017d9d 736cab508592dcf50013a1aed5ab108f72fd8493e76afc46848cdc35da38bbe3 5d3a0e135fc2186353e6b56b294e4a4e3d4635b66ca98200089708e8b81a744c 2026-07-04 official
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35 U.S.C. § 254 - Certificate of correction of Patent and Trademark Office mistake

Text

Whenever a mistake in a patent, incurred through the fault of the Patent and Trademark Office, is clearly disclosed by the records of the Office, the Director may issue a certificate of correction stating the fact and nature of such mistake, under seal, without charge, to be recorded in the records of patents. A printed copy thereof shall be attached to each printed copy of the patent, and such certificate shall be considered as part of the original patent. Every such patent, together with such certificate, shall have the same effect and operation in law on the trial of actions for causes thereafter arising as if the same had been originally issued in such corrected form. The Director may issue a corrected patent without charge in lieu of and with like effect as a certificate of correction.

(July 19, 1952, ch. 950, 66 Stat. 809; Pub. L. 93596, § 1, Jan. 2, 1975, 88 Stat. 1949; Pub. L. 106113, div. B, § 1000(a)(9) [title IV, § 4732(a)(10)(A)], Nov. 29, 1999, 113 Stat. 1536, 1501A582; Pub. L. 107273, 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., § 88 (Mar. 4, 1925, ch. 535, § 1, 43 Stat. 1268). The last sentence of the present section is omitted as obsolete. A sentence is added similar to a provision in the corresponding section in the trade-mark law, 15 U.S.C., 1946 ed., § 1057(f), and provides that the Commissioner may issue a corrected patent instead of a certificate of correction.

Editorial Notes

Amendments2002—Pub. L. 107273 made technical correction to directory language of Pub. L. 106113. See 1999 Amendment note below. 1999—Pub. L. 106113, as amended by Pub. L. 107273, substituted “Director” for “Commissioner” in two places. 1975—Pub. L. 93596 substituted “Patent and Trademark Office” for “Patent Office” in section catchline and text.

Statutory Notes and Related Subsidiaries

Effective Date of 1999 AmendmentAmendment by Pub. L. 106113 effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, § 4731] of Pub. L. 106113, set out as a note under section 1 of this title.

Effective Date of 1975 AmendmentAmendment by Pub. L. 93596 effective Jan. 2, 1975, see section 4 of Pub. L. 93596, set out as a note under section 1111 of Title 15, Commerce and Trade.