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The USPTO Website hosts searchable full text collections for US published applications and granted patents. The dates covered by the online collection are shown below:
US Granted Patents - Full text since 1976, complete images since 1790.
US Published Applications – the entire collection since its inception in March 2001.
The USPTO has upgraded the USPTO Full Text and Image Database. It now uses PDF images instead of TIFF images which provides several new benefits including the ability to print full documents. Patent images may be viewed, printed and saved using a standard PDF-equipped browser. A separate TIFF plug-in is no longer required. In addition to the standard page-by-page viewing, users may now also click on a “Full Document” button to retrieve all the patent images at once.
The searchable US patent classification data in the electronic records for these documents is current and updated as a result of revisions to the US Patent Classification System. Data from 1976 back to the earliest patents from 1790 can be searched by current US classification.
Query length and allowed processing resources are limited; complex queries may fail. The system is open for public searching and patent copies may be saved from the database, but the system imposes limits to ensure that it does not become a source of bulk patent copy downloads.
- ↑ "Patent on the Web Upgrade." Email from Patents Alert USPTO News, received August 23, 2013.