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+-   All 44 Blackboard Patent Claims Invalidated-> on Friday March 28 2008, @06:09PM I Don't Believe in Imaginary Property

Submitted by I Don't Believe in Imaginary Property on Friday March 28 2008, @06:09PM
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I Don't Believe in Imaginary Property writes "The US Patent & Trademark Office has invalidated all 44 claims in Blackboard's patent. While this is a non-final action (PDF), which means that Blackboard will be able to appeal, it does represent a win for the Software Freedom Law Center which had requested the reexamination of Blackboard's patent. It is not yet known how this will affect the $3.1M judgment Blackboard won from Desire2Learn. As with so many other patent cases, that lawsuit was filed in the Eastern District of Texas."
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