Someone did. Listen to the "When Patents Attack" podcast: http://www.thisamericanlife.org/radio-archives/episode/441/when-patents-attack http://www.thisamerica

Someone did. Listen to the "When Patents Attack" podcast: http://www.thisamericanlife.org/radio-archives/episode/441/when-patents-attack http://www.thisamericanlife.org/radio-archives/episode/441/w... Someone created a system where they can enter a claim and go back and see how many times that claim was already granted in a patent. The one they looked up found something like 5000+ prior claims. Why the USPTO doesn't use this software before approving patents is beyond me.