United States Patent and Trademark Office Home Page
This is the only official Web site of the United States Patent and Trademark Office, an Agency of the US Department of Commerce.
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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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The UK Patent Office - Home
The Patent Office is the UK body that is responsible for Copyright, Designs, Patents and Trade Marks.
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European Patent Office
This is the official Web site of the European Patent Office, the executive body of the European Patent Organisation.
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Japan Patent Office
Japanese Patent Office.
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esp@cenet Home page
redirecting to the default home page. If you are not redirected, please click ep.espacenet.com.
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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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http://www.patents.ibm.com/
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STO's Internet Patent Search System
Conduct internet patent searches.
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http://www.patents.ibm.com/
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STO's Internet Patent Search System
Conduct internet patent searches.
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IP Australia Home Page
arrow, IPRIA seminar. arrow, USFTA fact sheet. arrow, New working group on substantive patent law harmonisation. tagline © Commonwealth of Australia
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Patents
USPTO Patent links. Manual of Patent Examining Procedure definition - MPEP - Manual of Patent Examining Procedure
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MicroPatent. Your Full-Service IP Solutions Provider.
Distribution of patent information.
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This is the official Web site of the European Patent Office, the executive body of the European Patent Organisation.
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The Public Patent Foundation
Representing the Public's Interests in the Patent System Represents the Public's Interests Against Wrongly Issued Patents and Unsound Patent Policy
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Petition for a Software Patent Free Europe
A short petition text which was signed by more than 50000 people in Europe during the first few months of its existence and which rallied support statements
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Patent Cooperation Treaty Published Applications
Provides searchable access, in English and French, to published PCT applications. Part of the World Intellectual Property Organization Intellectual Property
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LII: Law aboutPatents
LII: An overview of patent law with links to key primary and secondary sources. US patent laws were enacted by Congress under its Constitutional grant
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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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http://www.patents.ibm.com/ibm.html
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Oppedahl & Larson LLP Patent Law Web Server
Answers to frequently asked questions about patents, copyrights, and trademarks, from the law firm of Oppedahl & Larson.
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