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2. 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 ...

3. Patentscope - Wikipedia

   en.wikipedia.org/wiki/Patentscope

   Patent family information. PATENTSCOPE provides access to patent family information, which helps users track related patent documents across different jurisdictions. Users can view the entire patent family tree for a specific invention, including its priority applications, divisional applications, and related granted patents. This feature is ...

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 landscaping activities of the Patent Lens have been endorsed by Francis Gurry, director general of the World Intellectual Property Organization (WIPO) in March 2009, in "view of the shared objective of making patent information systems more comprehensive and accessible, and turning raw patent data into useful information resources so as to ...

6. Espacenet - Wikipedia

   en.wikipedia.org/wiki/Espacenet

   According to the Patent Information News' magazine published by the EPO, a 2013 independent study compared Espacenet with DepatisNet, Freepatentsonline, Google Patent and the public search facility at the USPTO. In that study, Espacenet reportedly obtained the highest score for both data coverage and customer support, and the best overall ...

7. Patent - Wikipedia

   en.wikipedia.org/wiki/Patent

   Patent applications filed at the world's major patent offices from 1980 to 2021. A patent is requested by filing a written application at the relevant patent office. The person or company filing the application is referred to as "the applicant". The applicant may be the inventor or its assignee.