On March 28, 2026, a significant legal battle began that could reshape how authors and publishers protect their work in the age of artificial intelligence. Penguin Random House Verlagsgruppe, the German publishing division of Bertelsmann, filed a lawsuit against OpenAI Ireland Ltd. at the Munich Regional Court. The dispute centers on Der kleine Drache Kokosnuss (The Little Coconut Dragon), a beloved German children’s book series by Ingo Siegner.