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Patent and Trademark Web Resources
U.S. Patent & Trademark Office Patent Search
Federal data base of Patent information. A freely searchable database of information from US patents issued since the first in 1790 up to and including the previous month.
New, improved and expanded database! Effective 1 October 2000, the database now offers all US patents issued since 1790, in the form of searchable patent numbers and current US classifications hyperlinked to full-page images of each page of each patent.
European Intellectual Property Association
The European Intellectual Property Association (EIPAWEB) represents over 100 non-governmental and other not-for-profit organisations interested in protection the intellectual property of all europeans
Google Patent Search (beta version)
As part of Google’s mission to organize the world’s information and make it universally accessible and useful, we’re constantly working to expand the diversity of content we make available to our users. With Google Patent Search, you can now search the full text of the U.S. patent corpus and find patents that interest you. Over 7 million U.S. patents issued from 1790 to the present are available in Google's database.
Canadian Patent Database
Official site of the Canadian Intellectual Property Office a government agency. Database contains patents issued and applied for since October, 1989.
European Patent Information
Gateway site for many European country official patent offices. Patent searches are allowed after connection to each countries database site.
Historic Patents  from The Great Idea Finder
Since its founding in 1790 the United States Patent and Trademark Office (USPTO) has issued over 7 million patents. Although most patents are obscure and long forgotten, in the 1% that did become successful are some very significant inventions that have changed the way we live our lives.
Japan Patent Office
The system of industrial property rights (which is a general terms used when referring to the system for patents, new utility models, designs and trademarks) is to contribute to development of industry by securing and protecting the successful and creative development of structures for patents. ENGLISH
Patent Searching Tutorial
Tutorial on how to select an appropriate patent Web site for research, with specific help on searching the Delphion and the USPTO patent database.
Searching For Patents
A comprehensive listing of patent search firms and organizations. Links and contact information available for both free and pay search resources
World Intellectual Property Organization
The World Intellectual Property Organization (WIPO) is an international organization dedicated to promoting the use and protection of works of the human spirit. These works -- intellectual property -- are expanding the bounds of science and technology and enriching the world of the arts




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