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U.S. Patent Search - United States Patent and Trademark Office


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

Google Patent Search


Search more than seven million U.S. patents.

Google Patents


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


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

Patent Search | Patexia.com


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

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


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


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 ...


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


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 ...


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


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


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

Search - FreePatentsOnline


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