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U.S. Patent Search - 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.

EPO - Searching for patents: patent information

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

Technical, legal and business information about patents. Quick access to patent information databases and other helpful resources.

Patent Search | Patexia.com

www.patexia.com/ip-research

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

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 ...

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.

Patent Search - Perform a U.S. Patent Search Before Applying for a ...

www.legalzoom.com/business/intellectual-property/patent-search-overview.html

Perform a comprehensive USPTO patent search to discover filed or pending patents similar to yours. Save time and money by searching patents before filing  ...

Search Patents

patentssearcher.com/

Free semantic search for patents and prior art. Apply state-of-the-art university research to discover comprehensive list of relevant patents. Bulk pdf generation ...

Patents - Patents, Trademarks, and Copyright - LibGuides at ...

guides.lib.utexas.edu/c.php?g=532337&p=3642135

How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy. Video from the United States Patent and Trademark Office (USPTO). 7-Step U.S. ...

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Search for patents | USPTO

www.uspto.gov

Jul 4, 2009 ... See this important information about searching for patents: How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web ...

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 ...

Search - FreePatentsOnline

www.freepatentsonline.com

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