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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 43 U.S.C. § 2506 Limitations of suits to annul patents us united_states_code code_section 43 PUBLIC LANDS 43 SUSPENDED ENTRIES AND CLAIMS; PATENTS 2506 43 U.S.C. § 2506 current 119-100 2026-06-26 official https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc43@119-100.zip /us/usc/t43/s2506 data/legal/raw/us/code/title-43/usc43.xml ce683ee69b60dbc732137210e173a18941774b4caf561279e7e9b88bb923d877 d46a16361aa9d10bbc4b27ea0561882d240801c965a2700a4b7cf5f02f552a5f 4ca2c0728abe20623707119b917c45e6ff5d2ba8c78c84a9dea686e5a4e74ca8 2026-07-04 official
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43 U.S.C. § 2506 - Limitations of suits to annul patents

Text

Suits by the United States to vacate and annul any patent shall only be brought within six years after the date of the issuance of such patents.

(Mar. 3, 1891, ch. 559, 26 Stat. 1093; Mar. 3, 1891, ch. 561, § 8, 26 Stat. 1099.)

Notes

Editorial Notes

Codification Section was formerly classified to section 1166 of this title prior to editorial reclassification and renumbering as this section.