Hotline: AGBNielsen threatens legal action

AGBNielsen is understood to be threatening legal action against its rival TNS/Arbitron for an infringement of the European patent for its audience measurement system.

Nielsen holds the patent for a measurement tool that collects codes assigned to broadcast waves, which it claims is the same technology that TNS will use if it wins the £10 million Barb contract that went under review earlier this month.

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