Comment by aleph_minus_one

I can only provide articles that are in German:

An article about court decision by the EuGH from 2012:

https://www.heise.de/hintergrund/EuGH-Gebrauchte-Softwareliz...

Another court decision from the BGH (the highest German civil court) from 2014 that builds on this EuGH decision:

https://www.heise.de/news/BGH-begruendet-Rechtmaessigkeit-de...