I hardy think a few (& let`s be realistic it would just be that) are going to draw any attention.
I think it is more like free advertising from a moral if not legal perspective.
I`m pretty sure one of our well known members has an Eickhorn tatoo. Good job they are not still in business or maybe he would have to have his arm removed. I really do not think it is worth bothering about unless you are going to produce them in millions and advertise on TV.