This is wrong, he called himself Held der Steine. To suggest that because a solitary small time shop owner uses a fully generic image of a toy brick will cause the mighty Lego brand to get lost is bizarre. To be sure Lego does not have a copyright, trademark or patent on generic click-to-fit toy bricks and this has been ascertained by a high German court after one decade of strenuous litigation. Lego acts as though they had won that case but the didn't.