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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 register notably provides the current legal status of European patent applications and patents, such as for instance "whether a patent application has been published, whether a patent has been granted, what the outcome of opposition proceedings was or whether a patent has been revoked". [2]
First United States patent The National Inventors Hall of Fame is housed in the Madison Building of the USPTO. On July 31, 1790, the first U.S. patent was issued to Samuel Hopkins for an improvement "in the making of Pot ash and Pearl ash by a new Apparatus and Process". This patent was signed by then-President George Washington.
INPADOC developed a patent families classification, which groups together patent applications (and issued patents) originating from the same priority document(s). It also provides data about the legal status (pending, issued, abandoned, expired) for patent documents in many countries and for large time periods.
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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