And specificaly related to ink cartridges: the judgment of the Oberlandesgericht Düsseldorf, 20 January 2011,
Case I - 2 U 92/10; cf. N. Hölzel, «The German Higher Regional Court Düsseldorf specifies the requirements for granting a compulsory license
under antitrust law (Zwangslizenzeinwand) `, e-Competitions Bulletin January 2011, N ° 48587.