MPEG LA, LLC, world leader in alternative one-stop patent licenses, today announced that several patent holders in MPEG LA’s MPEG-2 Patent Portfolio License have filed separate patent enforcement actions in Landgericht Düsseldorf, Germany against Aldi Nord GmbH & Co. oHG (“Aldi Nord”) and Aldi Süd GmbH & Co. oHG (“Aldi Süd”), as well as Lidl Stiftung & Co. KG and Lidl Dienstleistung GmbH & Co. KG (“Lidl”), for infringing patents ...