First 35 Claims of Blackboard'S Patent Ruled Invalid

By Stephen Downes - Stephen's Web. First 35 Claims of Blackboard'S Patent Ruled Invalid
This is a huge win for Desire2Learn, as the court has ruled that Blackboard's first substantive claim, that of assigning access according to a role in a course, to be invalid. "Because that phrase is indefinite, all of Claim 1 is rendered invalid because of indefiniteness." Also, the court found for D2L's interpretation of terms in the remainder of the patent. More...