Fabio
76b8ec33a7
Ingested titles 12–51 and 54 from OLRC USLM XML @119-100 (the whole Code now, uniform edition; Title 53 is reserved/empty). LegalText 11,221 -> 59,740; repo total 105,704 records. Deterministic (byte-identical rerun, verified on Title 42's 8,356 sections); make check green. make legal-us-code default now covers every title. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
42 lines
1.4 KiB
Markdown
42 lines
1.4 KiB
Markdown
---
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type: "LegalText"
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title: "43 U.S.C. § 2506"
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description: "Limitations of suits to annul patents"
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jurisdiction: "us"
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corpus: "united_states_code"
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kind: "code_section"
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title_number: 43
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title_name: "PUBLIC LANDS"
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chapter_number: "43"
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chapter_name: "SUSPENDED ENTRIES AND CLAIMS; PATENTS"
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section: "2506"
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citation: "43 U.S.C. § 2506"
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status: "current"
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release_point: "119-100"
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release_date: "2026-06-26"
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source: "official"
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source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc43@119-100.zip"
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source_identifier: "/us/usc/t43/s2506"
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source_file: "data/legal/raw/us/code/title-43/usc43.xml"
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source_hash: "ce683ee69b60dbc732137210e173a18941774b4caf561279e7e9b88bb923d877"
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raw_snapshot_hash: "d46a16361aa9d10bbc4b27ea0561882d240801c965a2700a4b7cf5f02f552a5f"
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text_hash: "4ca2c0728abe20623707119b917c45e6ff5d2ba8c78c84a9dea686e5a4e74ca8"
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retrieved_at: "2026-07-04"
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confidence: "official"
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tags: ["legal", "us-code"]
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---
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# 43 U.S.C. § 2506 - Limitations of suits to annul patents
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## Text
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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.
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(Mar. 3, 1891, ch. 559, 26 Stat. 1093; Mar. 3, 1891, ch. 561, § 8, 26 Stat. 1099.)
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## Notes
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Editorial Notes
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Codification Section was formerly classified to section 1166 of this title prior to editorial reclassification and renumbering as this section.
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