The U.S. Patent and Trademark Office has issued a preliminary decision that rejects all 44 claims Blackboard Inc. made regarding the controversial patent it was granted for an online-learning system. The case could have major ramifications for the ongoing lawsuit between Blackboard and Canadian-based Desire2Learn.
USPTO Rejects Blackboard’s E-Learning Patents
March 31, 2008
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Episode 238: David Fraser on Why Bill C-2's Lawful Access Powers May Put Canadians' Digital Security At Risk
byMichael Geist

June 30, 2025
Michael Geist
June 23, 2025
Michael Geist
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