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Patent Search Tools

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Free USPTO Search Database - Now goes back to 1790

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Canadian Patent Resource Links - But covers many countries.

AIDS Patents Project
Canadian Patent Database
Chemical Patents Plus: From CAS
COS/Chi Research U.S. Patents Citation Database (abstracts 1975 to date)
Delphion Smart Patents
Derwent Patent Explorer - text with images of US and EP - Mixed Free and Fee
DIALOG Fee
European Patent Office Search Free
IP Australia - Patents Databases
Italian Patent and Utility Models 1996 to date published applications (FILPAT Web Site)
ISTA - Japanese patent and trademark docs For Fee Automated translation
Japanese Patent Office - database of Patent Abstracts of Japan
Patentability Searches (information)
Patentability Searches (Woolcott) Fee
MicroPatent World-Wide Patent, Trademark databases Fee
N2K Telebase's Brainwave (Information Vendor)
Patent Imaging Corporation's Patent Bank
QPAT-U.S. Full Text Patents (1974 to date)
Questel/Orbit Fee
Search Technology Lists, AUTM search engine
Search US Patent & Trademark Office, Welcome to U.S. Patents
SmartPatents by MicroPatent
STO's Bustpatents Internet Patent Search System
STO's Software Prior Art Consulting Services - Fee Based
Thomson & Thomson (Trademark and Copyright) Fee
UK Design Patent Data - UK Internet Patent Status Check
US Patent Full Text Database Now Available (abstracts 1790 to date) Free
World Intellectual Property Organization PCT Database (front page data in English or French)
ISTA - Japanese patent and trademark docs For Fee Automated translation - Note the manager of this organization has a history of demeaning some of America's greatest inventors. Read it here
NameProtect -  Trademark Services - All for fee - online registration and nice tutorials.

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Site Index - Contact Us - InventorEd, Inc., Page last revised 1-11-2003

Picture of solar system planets InventorEd thanks to Jerry Lewis for updating this page.