The team at Unified IP Services is using Pearl to identify and chart prior art against a patent owned by Songbird Tech LLC, an NPE. Unified Patents, the top requester of ex parte reexaminations in recent years, will likely challenge its validity. The patent generally relates to audio message driven customer interaction queuing systems (AMDCIQS) . Songbird Tech LLC has sued Zoho Corporation, Tesla, and X Corp. For more details contact info@unifiedpatents.com.