NEWS23 March 2011

Nielsen sues ComScore over online measurement patents

Legal North America

US— Nielsen is suing online audience measurement rival ComScore for alleged infringement of five patents relating to the collection and reporting of data on computer and web usage.

In a complaint filed in a Virginia district court, Nielsen listed a host of ComScore products that allegedly infringe on its patents, including its Media Metrix 360, AdEffx ad effectiveness measurement suite, and a selection of its mobile and Video Metrix products.

The patents in question are for:

• A computer use meter and analyzer
• Metering of internet content using a control
• Network resource monitoring and measurement system and method
• Content display monitoring by a processing system
• A content display monitor

Nielsen is seeking an injunction against future infringement and damages.