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Patent Application Information Retrieval (PAIR) is an online service provided by the United States Patent and Trademark Office to allow users to see the prosecution histories of United States patents and patent applications and obtain copies of documents filed therein. There are two services: Public PAIR, which allows the general public to ...
PATENTSCOPE is a global patent database and search system developed and maintained by the World Intellectual Property Organization. It provides free and open access to a vast collection of international patent documents, including patent applications, granted patents, and related technical information.
The USPTO web site provides free electronic copies of issued patents and patent applications as multiple-page TIFF (graphic) documents. The site also provides Boolean search and analysis tools. [99] The USPTO's free distribution service only distributes the patent documents as a set of TIFF files. [100]
The European Patent Office is the only body that can perform legally effective publication and registration of European patent applications and patents. It regularly issues warnings about scams by firms and individuals that invite applicants to register patents in unofficial registers or publications. [ 5 ]
Espacenet (formerly stylized as esp@cenet) [1] [2] is a free online service for searching patents and patent applications.Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation.
The Lens, formerly called Patent Lens, is a free searcheable online patent and scholarly literature database, provided by Cambia, an Australia-based non-profit organization. The Lens has been hailed as the “most comprehensive scholarly literature database, that exceeds in its width and depth two leading commercial databases ( Web of Science ...
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Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
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