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2. Patentscope - Wikipedia

   en.wikipedia.org/wiki/Patentscope

   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 ...

3. 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.

4. 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 ...

5. United States Patent and Trademark Office - Wikipedia

   en.wikipedia.org/wiki/United_States_Patent_and...

   The site also provides Boolean search and analysis tools. [99] The USPTO's free distribution service only distributes the patent documents as a set of TIFF files. [100] Numerous free and commercial services provide patent documents in other formats, such as Adobe PDF and CPC.

6. Espacenet - Wikipedia

   en.wikipedia.org/wiki/Espacenet

   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."

7. Global Brand Database - Wikipedia

   en.wikipedia.org/wiki/Global_Brand_Database

   It is a global resource for trademark information, providing users access to a vast collection of international trademark records. The database offers valuable insights and search tools to assist trademark owners, professionals, and researchers protect and managing trademarks worldwide.