Report:Patent Lens/Data Coverage/Patent Coverage/Full Text Coverage/United States (US)
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Patent Lens has full text coverage for US published applications (also known as the US-A collection) from March 15, 2001 to the present. This represents the complete collection, and is on-par with PatBase, MicroPatent PatentWeb, and other providers of US application data.
Patent Lens has full text coverage for US granted patents (also known as the US-B collection) from 1/6/1976 to the present. This covers utility patent, plant patents, re-issued patents, and statutory invention registrations (SIRs). This is on par with most sources of US granted patent data as far as dates covered, but behind other providers including PatBase which features US granted patents full text back to 1971, and Google Patent Search which features US granted patents full text back to the first US patent. Google Patent Search has notable coverage in this area considering that it is also a free system.
Design patents are not available through Patent Lens. This is a minor disadvantage compared to similar free patent systems such as FreePatentsOnline and Google Patent Search since most patent searching does not involve design patents.
PDF copies are available for of all of the US data present. The PDFs are available to view in an in-browser reader or as a downloadable file. There are two Patent Lens markings added to each page in PDF view; these will also appear on the printed copy.