Linked by Thom Holwerda on Thu 22nd Jan 2009 12:04 UTC
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Member since:
2008-10-23
It is not only prio art that invalidates a patent. Obviousness does also invalidate a patent.
Let say I get an effective way to track eye movements with a webcam. I could patent the idea to use this eye tracker as a pointing device, but this would quickly be invalidated. Not because of prior art (I'm the first to track eye, so I'm the first who can use that as a pointing device), but because it is obvious.