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Archive Contents
The archive contains complete patent images for all USPTO, EPO, and WIPO (PCT) patents, as well as the national publications of Austria, Belgium, Canada, France, Germany, Great Britain, Japan, Spain, and Switzerland. In addition, the archive contains the full text and bibliographic information for every USPTO patent issued since 1976, as well as all published USPTO patent applications.

 Type   Earliest Images   Earliest Text   Earliest Bib.   Most Recent 
US Utilty  1836 US 1   1976 US 3,930,271   1976 US 3,930,271   US 12,016,246 
US Design  1843 US D1   1976 US D242,583   1976 US D242,583   US D1,032,140 
US Plant  1931 US PP1   1976 US PP3,987   1976 US PP3,987   US PP35,565 
US Reissue  1838 US RE1   1976 US RE28,671   1976 US RE28,671   US RE50,018 
US Defensive Pub.  1976 US T953,001   1976 US T953,001   1976 US T953,001   US T109,201 
US SIR  1985 US H1   1985 US H1   1985 US H1   US H2,294 
US pre-1836  1790 US X1   not available   not available   US X11,280 
US Applications  2001 US 2001/1   2001 US 2001/1   2001 US 2001/1   US 2024/206227 
EPO  1978 EP 1   not available   1978 EP 1   EP 4 387 428 
WIPO (PCT)  1978 WO 78/00001   not available   1978 WO 78/00001   WO 2024/124258 
Austria  1899 AT 124   not available   1899 AT 124   AT 526 870 
Belgium  1965 BE 669,380   not available   1965 BE 669,380   BE 1,031,079 
Canada  1920 CA 195,677   not available   1970 CA 831,201   CA 3,236,459 
France  1920 FR 500 560   not available   1968 FR 1 497 651   FR 3 143 261 
Germany  1968 DE 18 00 001   not available   1968 DE 18 00 001   DE 11 2023 000 233 
Great Britain  1920 GB 136 852   not available   1969 GB 1 142 501   GB 2 625 501 
Japan  1974 JP 49-1   not available   1973 JP 48-1   JP 2024-522317 
Spain  1981 ES 8 100 079   not available   1987 ES 2 000 029   ES 2 973 194 
Switzerland  1888 CH 1   not available   1969 CH 467 580   CH 720 329 

Search Tools
  • US patents issued since 1976 and published US patent applications can be accessed using any of the search tools:
    by Text, by Field, by Number, Quick Fetch, or Quick Search

  • US patents issued prior to 1976 can be accessed using only the Quick Fetch and by Number tools:
    by Number or Quick Fetch

  • All other patents (EPO, WIPO, and national publications) can be accessed using any of the search tools:
    by Text, by Field, by Number, Quick Fetch, or Quick Search

Archive Updates
The archive is updated weekly. The USPTO section of the archive is typically updated each Tuesday; published USPTO patent applications are updated each Friday; the EPO and WIPO sections are typically updated each Wednesday. USPTO and EPO patents are added the same week they are published; WIPO patents are added two weeks after publication; other national publications are added as the documents become available.

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