This is an important victory for Open Source. It takes us another step in the direction of establishing that it is pointless to mount a patent attack against Open Source. We need to firmly establish the principle that there is absolutely nothing to be gained by a software patent attack on Open Source and it is pointless to even try. How we do that will of course vary from one attack to another but the "prior art" defence has worked well in this case and in the attack on OpenSolaris.
Dave Wilson did a great job both in getting the obsolete systems to work and in presenting the prior art in terms that the jury understood.
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Steve Stites