This has been trademarked in Germany so it shouldn't be a problem for people in other places, I presume (correct me if I'm wrong); but, this will be a problem f

This has been trademarked in Germany so it shouldn't be a problem for people in other places, I presume (correct me if I'm wrong); but, this will be a problem for Germans. A quick google search shows that there are Hackathons happening in Germany and I'd like to know if the holder will take legal action.