Publication coverage: 1836 - present
Canadian patent records, 1869 to present; full-text documents, 1920 to present.
U.S. patents, 1790 to present and published applications, 2001 to present. Patents prior to 1976 can be retrieved by number, date and classification. TIFF viewer required to view/print patent documents.
International patent applications, 1978 to present.
AU, EP, US and WO patent documents, 1970s to present.
Last Updated: 21 April 2010