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Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-06 10:51:44 -04:00

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LegalText 35 U.S.C. § 172 Right of priority us united_states_code code_section 35 PATENTS 16 DESIGNS 172 35 U.S.C. § 172 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/s172 data/legal/raw/us/code/title-35/usc35.xml f1e95e1baf97ba325b11200eef84b42d8027bf87b848ddf7ff02435763df20c2 736cab508592dcf50013a1aed5ab108f72fd8493e76afc46848cdc35da38bbe3 55d0245ae6619fe7989fdcbc71681db718a01b9d838212c451cb48a910bd167b 2026-07-04 official
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35 U.S.C. § 172 - Right of priority

Text

The right of priority provided for by subsections (a) through (d) of section 119 shall be six months in the case of designs. The right of priority provided for by section 119(e) shall not apply to designs.

(July 19, 1952, ch. 950, 66 Stat. 805; Pub. L. 103465, title V, § 532(c)(2), Dec. 8, 1994, 108 Stat. 4987; Pub. L. 11229, §§ 3(g)(1), 20(j), Sept. 16, 2011, 125 Stat. 288, 335.)

Notes

Historical and Revision NotesBased on Title 35, U.S.C., 1946 ed., § 32, part (R.S. 4887, amended (1) Mar. 3, 1903, ch. 1019, § 1, 32 Stat. 1225, 1226, (2) June 19, 1936, ch. 594, 49 Stat. 1529, (3) Aug. 5, 1939, ch. 450, § 1, 53 Stat. 1212). This provision is taken from R.S. 4887 (see section 119) and made a separate section.

Editorial Notes

Amendments2011—Pub. L. 11229, § 20(j), struck out “of this title” after “119” and after “119(e)”. Pub. L. 11229, § 3(g)(1), struck out “and the time specified in section 102(d)” before “shall be six months”. 1994—Pub. L. 103465 substituted “subsections (a) through (d) of section 119” for “section 119” and inserted at end “The right of priority provided for by section 119(e) of this title shall not apply to designs.”

Statutory Notes and Related Subsidiaries

Effective Date of 2011 AmendmentAmendment by section 3(g)(1) of Pub. L. 11229 effective upon the expiration of the 18-month period beginning on Sept. 16, 2011, and applicable to certain applications for patent and any patents issuing thereon, see section 3(n) of Pub. L. 11229, set out as an Effective Date of 2011 Amendment; Savings Provisions note under section 100 of this title. Amendment by section 20(j) of Pub. L. 11229 effective upon the expiration of the 1-year period beginning on Sept. 16, 2011, and applicable to proceedings commenced on or after that effective date, see section 20(l) of Pub. L. 11229, set out as a note under section 2 of this title.

Effective Date of 1994 AmendmentAmendment by Pub. L. 103465 effective 6 months after Dec. 8, 1994, and applicable to all patent applications filed in the United States on or after that effective date, with provisions relating to earliest filed patent application, see section 534(b)(1), (3) of Pub. L. 103465, set out as a note under section 154 of this title.