You can't get the trademark on the parts that are in common use, and you can't the trademark in a way that harms language. You can get protection over stuff tha

You can't get the trademark on the parts that are in common use, and you can't the trademark in a way that harms language. You can get protection over stuff that you invented and doesn't limit how people talk to each other. On this case specifically, you can't make a Mickey Mouse cartoon in a way that looks like it came from Disney. That's all that the trademark protects.