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Originally Posted by JohnBoucher
The Patent Office http://www.uspto.gov/ has many tools for searching patents. You can look for pending, current and expired patents.
That said...... You can file yourself, but at work we always work through a patent attorney. It is a long, involved process. |
I second the recommendation for the US Patent Office site. It is a good place to start a search. However, if you are from a largish company (Delphi), you may get a warning from your internet portal folks because I think that the USPTO doesn't want the big companies using the site to do automated searches -- there are fees involved with doing many searches, but John Q Public gets access for free.
Joe J.