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WIPO World Intelllectual Property Organization PCT Patents DatabaseAnyone can use
Part of the WIPO Intellectual Property Digital Library. Search and retrieve fulltext for WIPO PCT patent applications published as PCT pamphlets since January 1997, and where applicable, republished since April 1998. Bibliographic data, abstracts, drawings and images of PCT pamphlets are provided for all published and republished international applications in the collection. To search the entire collection rather than only the current week, be sure and select ALL weeks To retrieve a patent by number, search the PUBLICATION NUMBER (e.g. WO 2004/019554). search only the number with punctuation and spaces removed (e.g. 2004019954). [more]

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