Patent Databases and Search Services

Canadian Patent Database

Delphion

ESP@CENET - EPO Service to search and download patents

EPOLINE - Online European Patent Register - online access to post-grant admin and legal data

Federal Bio-Technology Transfer Directory (searchable archive; not longer updated)

INPADOC - Patent Family and Legal Status

Italian Patent and Utility Models (FILDATA Web Site)

Japanese Industrial Property Digital Library (IPDL)

MicroPatent - PatentWEB and TrademarkWEB

QPAT-U.S. Full Text Patents (1974 to date)

Patent Imaging Corporation's Patent Bank

PatentSurf.net - Surf U.S. patents by discovering natural relationships

IP Office of Singapore - search service

Thomson CompuMark (Trademark and Copyright)

USPTO Databases - US issued and published applications

PatentScope Search Service - access to and full search of the complete collection of PCT international applications back to 1978; includes national phase information.

Last edited: July 2007 / Elyse Turner, Tom Wolff

© 2008 The Patent Information Users Group, Inc. – PIUG Website Committee
Webmaster: Tom Wolff (piugwebmaster @ gmail.com): – Updated: 6 May 2008