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

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Webmaster: Tom Wolff (webmaster @ piug.org) – Updated: 30 August 2010