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Uspto - United States Patent and Trademark Office

patft.uspto.gov/

The US Patent and Trademark Office (PTO) offers World-Wide Web (Web) access to bibliographic and full-text patent databases.

Google Patent Search

www.google.com/patents

Search more than seven million U.S. patents.

Google Patents

patents.google.com/

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

Patent Searching 101: A Patent Search Tutorial - IPWatchdog.com ...

www.ipwatchdog.com/2015/07/11/patent-searching-101-a-patent-search-tutorial-2/id=59308/

Jul 11, 2015 ... It is quite common for inventors to do a patent search and find nothing even when there are things that could and would be found by a ...

EPO - Espacenet patent search

www.epo.org/searching-for-patents/technical/espacenet.html

Mar 25, 2016 ... Accessible to beginners and experts, Espacenet contains data on more than 90 million patent documents from around the world. Supporting ...

FPO IP Research & Communities

www.freepatentsonline.com/

Complete Patent Searching Database and Patent Data Analytics Services.

Search - FreePatentsOnline

www.freepatentsonline.com/search.html

Complete Patent Searching Database and Patent Data Analytics Services. ... Expert Search; Quick Search. Click here for syntax ... US Patent Applications

EPO - Searching for patents

www.epo.org/searching-for-patents.html

Technical information. We provide access to the largest single source of technical information in the world: our databases containing millions of patent ...

Patent Search | Patexia.com

www.patexia.com/ip-research

Search for patents and analyze intellectual property trends with Patexia's research and visualization tools.

Espacenet - Home page

worldwide.espacenet.com/

Espacenet: free access to the database of over 90 million patents. ... in Espacenet. Combisets will be searchable but only in Smart search Read more here…

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Search for Patents | USPTO

www.uspto.gov

Jul 4, 2009 ... See this important information about searching for patents: ... Inventors are encouraged to search the USPTO's patent database to see if a ...

Advanced Patent Search - Google

www.google.com

Advanced Patent Search, About Google ... Patent number, Return patents with the patent number. Title, Return patents with the patent title. Inventor, Return ...

WIPO - Search International and National Patent Collections

patentscope.wipo.int

This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections.