From how they describe it, it seems to be a typical SLAP lawsuit and the company has pulled a lot of ridiculous stuff in meetings at the parliamentary inquiry group, but at the same time they seem to have backing from a relevant number of corrupt politicians.
Here is the “recent” update talk from the group who uncovered the whole thing.
https://media.ccc.de/v/38c3-we-ve-not-been-trained-for-this-life-after-the-newag-drm-disclosure#t=0
From how they describe it, it seems to be a typical SLAP lawsuit and the company has pulled a lot of ridiculous stuff in meetings at the parliamentary inquiry group, but at the same time they seem to have backing from a relevant number of corrupt politicians.