Comparisons and advocacy

Update: Blackboard Defends Patent, Files More Claims

6/3/2008

By David Nagel

As we reported last week, Blackboard has responded to the United States Patent and Trademark Office, urging it to rescind its rejection of the company's electronic learning patent. Blackboard has also appended new claims to the patent. Rival Desire2Learn accused Blackboard of reversing its position on the reexamination.