The District Court of Düsseldorf has confirmed the decision under appeal. Affected are certain Pelikan and Geha compatible cartridges for Brother cartridge type LC 1000 – 970th and LC Brother sees injured since 2008 a protected utility model.（Dell Inspiron 1525 Battery）
In the dispute with Pelikan and Geha compatible ink cartridges for Brother before the Regional Court Düsseldorf has won another stage victory (Photo: Brother).（Dell XPS M1730 Battery）
Brother has prevailed before the District Court of Düsseldorf in the dispute about compatible ink cartridges in two main procedures. The losing parties are the Pelikan mbH & Co. KG and the German Hardcopy AG (Geha), both of which sell ink cartridges for Brother machines.
The judgments relate only to specific, marketed by Pelikan and Geha cartridges, for which was found to infringe the intellectual property of Brothers. The dispute as to smolder for some time. Brother had in June 2008 sent warning letters to four companies to sell their devices compatible ink cartridges. The warnings criticized a violation of two with effect from 19th In June 2008 in Germany for Brother protected designs for cartridges of the type LC 1000 – 970th （Dell XPS M2010 Battery）
Two companies were then stopped selling, Pelikan and Geha not. Brother against it in July 2008 obtained at the Regional Court Düsseldorf injunctions, which confirmed the appeal court in Düsseldorf in May 2009. The District Court of Düsseldorf has now joined the opinion of the Court of Appeals. Pelikan and Geha may appeal against such decisions.（Dell Studio 1735 Battery）
According to an earlier inquiry by Pelikan to ZDNet, the utility are addressed "on a certain version of retaining or on trivial geometric features of the End of ink" message. Pelikan said it had filed against the two utility cancellation requests issued by the German Patent and Trademark Office in Munich. Reason: The utility was neither a technological innovation or an innovative activity based.（Dell Studio XPS 1340 Battery）
Pelikan was confident at that time that the two utility to delete, and said he wanted to sit down "with every legal means" to defend. In addition, the products affected by the lawsuit had been made already in an altered version, to avoid any interruptions in delivery of the cartridges.（Dell Studio XPS 1640 Battery）