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 | | | WIPO, World Intellectual Property Organization | | | PCT Electronic Bulletin (PCT Electronic Gazette), Madrid Express database (Madrid Express Database), the United States patent database, the Canadian patent database, the European patent database JOPAL scientific and technical journals and databases. The library collects the PCT since 1978 by the original patent application information, including patent information, image scanners and Digest. The data in library updated quickly, which can be searched by free within 14 days after the publication of patent applications.
Full images and text Patent can be linked to the Espacenet image File of European Patent Office, and other IP rights of the host server, such as Australia, Brazil, Canada, France and the European Patent Office, and other 21 countries and regions. |
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 | | | Google Patent Search |
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| | Over 7 million patents can be searched and linked to the cited and applied patent of U.S. patents, abstracts, description, chart and whole text PDF image file. |
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 | | | US Patent and Trademark Office：USPTO |
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| | USPTO is responsible for U.S. patent application cases, and is also open free for all U.S. patent information retrieval services, which include full-text searching for U.S. Patent and certified documents after January 1976, the Number query of Patent & classification and full-text image can only be searched from 1976 to 1790. The database is updated every Tuesday. |
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 | | | Delphion Research Intellectual Property Network |
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| | Delphion provides intellectual property and patent analysis retrieval functions, which Derived from IBM's development of the Intellectual Property Network, IPN, now Internet Capital Group (ICG) and IBM have together set up a joint company for the management of patent search sites. The search covers the United States Patents-Applications (March 2001-present), the United States Patents-Granted, (1790-present), the European Patents-Applications (1979-present), European Patents-Granted (1980-present), the WIPO PCT Publications (1978-present), the Patent Abstracts of Japan (1976-present), the INPADOC patent family, the INPADOC Family and Legal Status(1968-present), and so on. |
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| | | Delphion IP Listing Search |
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| | Through the Delphion provided IP listing site for searching technology authorities transferring, you can search and find out the patentee (Assignee) who propose the patent authorities transferring to those of technology interested person who can process the trade by E-Mail link. Enquiries can also be sent to yet2.com through Delphion for technology transferring. |
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 | | | European Patent Office |
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| | European Patent Office and the European member states license patent documents, including the European patent (EP), Britain, Germany, France, Austria, Belgium, Italy, Finland, Denmark, Spain, Sweden, Switzerland, Ireland, Luxembourg, Cyprus, Fürstentum Liechtenstein and other members of the European Patent Office. In addition, it can also search over 30 million patent documents in English from the World Intellectual Property Organization (WIPO PCT), Japan's public concession patent (PAJ) and other more than 50 countries and regions, and viewing the full text of patent brochures from more than 20 countries, of which the Japanese patent does not provide the full text statement within 2 years |
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