On September 8, 2017, Unified filed a petition for inter partes review (IPR) against U.S. Patent 6,023,221 owned and asserted by Paul Michelotti, an individual operating as an NPE. The '221 patent, directed to a system to activate automobile hazard warning lights, has been asserted against automotive companies including Mercedes-Benz and Robert Bosch.

To read the petition and view the entire case proceeding, please see our PTAB Portal.