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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.
In 2004, i.e. in the early years of Espacenet, Nancy Lambert considered that, although free, Espacenet, like the United States Patent and Trademark Office (USPTO) database of US patents, "still tend[ed] to have primitive search engines and in some cases rather cumbersome mechanisms to download patents."
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 is an agglomeration database, that takes bibliometric data from other databases (such as Crossref, PubMed, Microsoft Academic and Open Alex) and combines them into ...
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.
The bronze bust of Thomas Jefferson is at the far right. Researchers can access patent search databases within the facility. 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. [100]
The Derwent World Patents Index (DWPI) is a database containing patent applications and grants from 44 of the world's patent issuing authorities. [1] [2]Compiled in English by editorial staff, the database provides a short abstract detailing the nature and use of the invention described in a patent and is indexed into alphanumeric technology categories to allow retrieval of relevant patent ...
In 2005, the database provided bibliographic information from 73 patent issuing authorities and the legal status service from 44. Also in 2005, several commercial database developers (e.g. Anacubis , Minesoft , PatentInformatics and Questel-Orbit ) offered access to enhanced INPADOC data and search functionality for a fee.
Described by the blog of international patent-search business Landon IP (now part of CPA Global [6]) as a “free patent search system with simple visual analysis tools,” [7] the Patexia press release explained that the platform “covers [the] U.S. patent database from 1976 to late 2010, which includes over 4.1M patents.” [8] In early 2011 ...
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