How to Search By Patent Number

Need to locate a patent by its patent number?

Do you have a U.S. patent number in hand and want to find a copy of the full patent?

Here are quick ways to search by patent number, and then obtain the full text of the patent.


1. Go to the USPTO Number Search Site and enter your number in the search box.
(Example: 5,976,023 )

Search the USPTO Number Search Site HERE:

For more help, watch this "Patent Searching Tutorial" video:


2. Go to the advanced patent search page of Google Patent Search and enter your number in the "Patent Number" search box.
(Example: 5976023)

OR Search Google Patent Search HERE:


3. Go to the Yahoo! site and enter the word "patent" and your patent number in the search box.
(Example: patent 5976023)


4. Use the Patent Number Searcher site.
(Example: 5,976,023 )

Search the Patent Number Searcher HERE:

Learn more about the Patent Search Process.

Also get more help with this book on patent searching:



Patent Searching Made Easy: How to do Patent Searches on the Internet and in the Library

Patent Searching Made Easy: How to do Patent Searches on the Internet and in the Library (Kindle e-book)

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