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Google Patent Search


Search more than seven million U.S. patents.

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.

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 ...

How to Search - United States Patent and Trademark Office


The USPTO Web site can be word-searched using the FirstGov search engine. Use the Search button in the toolbar above to conduct a text search of ...

Search - FreePatentsOnline


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

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 ...

Patent Search | Patexia.com


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

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  ...

EPO - Searching for patents: patent information


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

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.