On June 19, 2018 Garmin International Inc. and Garmin USA Inc. sued uAvionix for patent infringement. Garmin alleges the uAvionix echoUAT and skyBeacon's method of obtaining an installed transponder's Mode 3/A code and altitude infringes their U.S. Patent No. 8,102,301 ("the 301 Patent"). We do not infringe the 301 Patent. uAvionix has our own patent-pending ["]