The Federal Circuit Court of Appeals has affirmed a lower court's decision that a patent lawsuit brought by CollegeNET against a unit of CoreLogic (CLGX) could not go forward.

CollegeNET claimed in the suit that several products from CoreLogic MarketLinx infringed upon its patent related to the automatic sending of notifications when newly entered data matches predefined search criteria. The MarketLinx products involved in the suit included MLXchange, TEMPO and Fusion multiple listing service systems.

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