INTERDIGITAL (PA.) DL-,01 revenue for the last year amounted to 838.95 M EUR, the most of which — 444.42 M EUR — came from its highest performing source at the moment, Catch-up Revenues, the year earlier bringing 127.93 M EUR. The greatest contribution to the revenue figure was made by China — last year it brought INTERDIGITAL (PA.) DL-,01 366.69 M EUR, and the year before that — 234.42 M EUR.