United States Patent and Trademark Office Home Page
Search patent and trademark databases for free online. Information regarding the patent and trademark process in the United States.
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Patents - Patent Full-Text and Full-Page Image Databases
The US Patent and Trademark Office (PTO) now offers World-Wide Web (Web) access to bibliographic and full-text patent databases.
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Patents
Manual of Patent Classification - search tip - after retrieving a class to automatically search and retrieve patents for that classification code
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http://www.patents.ibm.com/
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http://www.patents.ibm.com/ibm.html
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US Patents
US Patents through COS is a fully searchable bibliographic database containing all of the approximately 1.7 million US patents issued since 1975.
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STO's Internet Patent Search System
Web site which we hope you will visit and benefit from. Here are some new Web addresses:. US Patent Office's Patent Full Text and Abstract search engine
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QPAT Login
Subscribe. Français. UserID :. Password :. Sub account :. Remember my details. Secure login. Change password. Direct access to Patent Delivery Service.
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IBM Intellectual Property And Licensing
In 2004, IBM received 3248 US patents from the USPTO. consecutive year that IBM has received more US patents than any other company in the world.
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Free Patent Searching and PDF Downloading
Attorneys use this data for patent searching. Inventors too. As more patents are published by the US Patent Office, we add them.
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http://patft.uspto.gov/netahtml/srchnum.htm
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http://patft.uspto.gov/netahtml/search-bool.html
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Delphion Patent Search Forms
for the searching, viewing, and analysis of patent data collections worldwide. US United States of America, EP European Patent Office, WO World IPO
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Delphion Research intellectual property network - international
For international patent and US patent information, the Delphion intellectual property network's patent search database helps businesses perform
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InfoEd Internationals Spin 2000
US Patent & Trademark Office Full Text Patent Search. Welcome to InfoEd's US Patent Office Patent search. Boolean Search. Manual Search
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PatentCafe Patent Search Intellectual Property Management
Patent search on PatentCafe's patent search, competitive intelligence, US Patent or Published App. Online. Patent Value Analysis System >
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Biotechnology Patents
allows free searching of full text and analysis of all DNA patents issued by the LuxNet Weekly Patent Issues - recently issued US Patents in various
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Faxpat Optipat
patent data; Infringement, novelty and other comprehensive search services and services including interface with the US Patent and Trademark Office
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How to Search
to automatically search and retrieve patents for that classification code laws and regs US Trademark Law - Rules of Practice & Federal Statutes (37
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Trademarks
Changes of Ownership Change Ownership File assignment online. search trademark assignments Search Trademark Assignments AW-T Help Assignment Search Help
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McKinney Engineering Library Patent and Trademark Information
US Patent Subject of Invention Searching Information Searching these databases allows the user to search US patents from 1790 to the present.
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US Patent Searching Research Guide
USPTO's Patent Site. Free searching of US Patents from 1790-present. Choose "Legal Research" to search US patents from 1971-present.
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