Selected Patent and Intellectual Property Sites
Databases and Search Services
- Canadian Patent Database
- Delphion Intellectual Property Network (1971 to date)
- ESP@CENET - EPO Service to search for and download patent copies
- EPO Register - online access to post-grant admin and legal data; Follow grant procedure
- Federal Bio-Technology Transfer Directory (searchable archive; not longer updated)
- INPADOC - The "extended" patent family
- Italian Patent and Utility Models (FILDATA Web Site)
- IPLD - Japanese Industrial Property Digital Library
Kessler International
- MicroPatent PatentWEB and TrademarkWEB
- QPAT-U.S. Full Text Patents (1974 to date)
- Patent Imaging Corporation's Patent Bank
- IP Office of Singapore - search service
- U.S. Patent Databases - USPTO (Full text and abstract databases)
- World Intellectual Property Organization Patentscope - Search International Patent Applications
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Patent, IP and Legal Information
- AIPLA - American Intellectual Property Law Association
- The Franklin Pierce Law Center Intellectual Property Mall Page
- KUESTERLAW - Jeff Kuester's Technology Law Resource
- The Intellectual Property Rights Helpdesk - an EUC Project: IP information and free e-mail helpdesk
- IP Webguide - EPO site
- National Association of Patent Practitioners
- Oppedahl Patent Law Firm LLC
- Patent and Trade Mark Group (PATMG)
- Patent Attorneys and Agents Registered to Practice before the U.S. Patent and Trademark Office
- West's Legal Directory
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Miscellaneous Patent and IP
- BountyQuest - Patent "Bounty Hunter" Site
- PATENT.INFO
- Intellectual Property Magazine
- PatentNews.com - patent news - all the time
- Wacky Patent of the Month
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Classification Tools
- U.S. Patent Classification Definitions provided by the USPTO (7/6/98)
- WIPO Reformed IPC - Int'l Classification Codes - Click here to search
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Last edited: July 2008 / Barbara Burg, Tom Wolff
© 2008 The Patent Information Users Group, Inc. – PIUG Website Committee
Webmaster: Tom Wolff (piugwebmaster @ gmail.com): –
Updated: 5 January 2009
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