On April 13, 2016, the Patent Trial and Appeal Board (PTAB) instituted IPR2016-00047 on U.S. Patent No. 8,640,183, assigned to Convergent Media Solutions, LLC, an organization tied to Acacia Research Corporation. The PTAB instituted the IPR on all challenged claims.
A copy of the decision can be found on our PTAB portal: https://portal.unifiedpatents.com/ptab/case/IPR2016-00047.