First 35 claims of Blackboard's patent ruled invalid

Here. (h/t S. Downes)

So my thought for the day: What are we doing to make sure this situation does not repeat itself with PLEs and PKMs?

Posted August 7, 2007 by Mike Caulfield. Comments and trackbacks are closed.
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One Response to “First 35 claims of Blackboard's patent ruled invalid”

  1. BokyCindink says:
    October 29, 2008 at 8:44 pm

    A good way eh? Tell me about my deep guitar Do you want a joke? :) Why did the dinosaur cross the road? Because there were no chickens in those times.

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