Cox Communications, Inc. v. Sony Music Entertainment · ¶20

Given the difficulty of pursuing individual infringers, Sony attempted to enlist Internet service providers such as Cox to help it enforce its copyrights. It enlisted the services of an entity called MarkMonitor to track infringement of its copyrights across the Internet. MarkMonitor's software can detect when copyrighted works are illegally uploaded or downloaded and trace the infringing activity to a particular IP address. It can also identify the Internet service provider for the infringing IP address. When MarkMonitor detects apparently infringing activity, it sends notices to the Internet service provider, identifying the IP address at which the infringement occurred. In the roughly 2-year period at issue here, MarkMonitor sent Cox 163,148 such notices.

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