On August 3 & 4, 2017, on behalf of Barco, Inc., Neustel filed petitions for inter partes review on three patents owned and asserted in district court by T-Rex Property AB.  The challenged patents are U.S. Patents RE39,470; 7,382,334; & 6,430,603.  The patents all relate to systems for remotely controlling displays, with particular application to digital signage and advertising.