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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 ...
Unpublished patent applications may also be considered prior art under certain circumstances, for example where an unpublished patent application was filed at the same patent office before the effective filing date of the patent application in question.
PATENTSCOPE provides access to millions of patent documents from around the world. It is the official publication reference site for published PCT applications. It includes patent applications, granted patents, and related technical information from national and international patent offices. The database covers a broad range of technology ...
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.
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 Global Dossier is an online public service launched in June 2014 by the five "IP5" offices, i.e. the European Patent Office (EPO), the Japan Patent Office (JPO), the Korean Intellectual Property Office (KIPO), China's National Intellectual Property Administration (CNIPA) and the US Patent and Trademark Office (USPTO), to offer an integrated access to the respective "file wrappers", free of ...
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