Wireless Monitoring Systems patent determined to be likely invalid

On April 11, 2018, the Patent Trial and Appeal Board (PTAB) instituted trial on all challenged claims in an IPR filed by Unified against U.S. Patent 9,280,886 owned and asserted by Wireless Monitoring Systems, LLC, an NPE controlled by Bradley D. Liddle (an individual connected to Personal Audio and several other patent assertion entities). The '886 patent, directed to circuit monitoring devices (such as those employed in motion detectors, smoke detectors and the like), has been asserted in multiple litigations against such companies as AT&T, Comcast, ADT, Frontpoint Security, CenturyLink, Charter Communications.

To read the decision and to view the entire proceeding, visit our PTAB Portal