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NEW YORK Arbitron said today that it has filed a patent-infringement complaint against The Media Audit and its European ratings partner, Ipsos.
The suit, filed in the U.S. District Court for the Eastern District of Texas, alleges that Media Audit/Ipsos’ smart-cell-phone-based ratings methodology runs afoul of three patents Arbitron holds for its portable people meter technology, which uses an inaudible code to track exposure to media.
Arbitron is seeking a permanent injunction against Media Audit/Ipsos and adequate compensatory damages.
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