Deep in Microsoft's TomTom Linux patent claimsMar 01, 2009, 06:04 (8 Talkback[s])
(Other stories by Steven J. Vaughan-Nichols)
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"Long before this case appeared, the PUBPAT (Public Patent Foundation ) tried to get the '517 patent, which is the core patent of the trio, overturned. PUBPAT argued that there had been "previously unseen prior art showing the patent, ... was obvious and, as such, should have never been granted." However, in the end, the Foundation was unable to get the U.S. Patent and Trademark Office to overturn the patents.
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