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  2. Patentscope - Wikipedia

    en.wikipedia.org/wiki/Patentscope

    Online and developing. 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.

  3. Espacenet - Wikipedia

    en.wikipedia.org/wiki/Espacenet

    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. Most member states have an Espacenet service in their national language, and access to the EPO ...

  4. Google Patents - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Google_Patents

    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.

  5. The Lens - Wikipedia

    en.wikipedia.org/wiki/The_Lens

    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 ...

  6. Patent Application Information Retrieval - Wikipedia

    en.wikipedia.org/wiki/Patent_Application...

    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 ...

  7. Derwent World Patents Index - Wikipedia

    en.wikipedia.org/wiki/Derwent_World_Patents_Index

    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 ...

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