The team at Unified IP Services is using Pearl to identify and chart prior art against U.S. Patent 7,812,889, owned by Control Sync Systems LLC, an NPE and entity of Leigh M. Rothschild. The ‘889 patent generally relates to a control system aimed at synchronizing video and audio parameters across display and play devices. The patent is currently asserted against Sony, LG, Vizio, TTE Technology, and E&S International Enterprises.