I'm not so sure. Do you know any luthiers? I do, one who has made a good name for himself. The first thing he does when someone contracts him to build a guitar is to sit down with them and have them play various guitars to determine what features in both ergonomics and design, as well as various woods used, in order to custom fit an instrument. Any luthier of a respectable level of ability knows that everything has an effect on a guitars sound. Which again, is all very much aside from the point. I am simply pointing out examples of what COULD happen. And as I said quite a while back, what matters in court cases is just as much what kind of show lawyers can put on as it does the actual legal hairs they are trying to split. It could also be that there are a host of other elements that could be used. As others have said, even if the shape of the guitar holds up in civil court as a trademark, it could well be that because the trademark has not been defended in the past that it is now not enforceable. Who knows? It obviously has not worked in the past, Does anyone know of one case in which a guitar company has sued another over a trademarked shape of a body rather than patent infringement? From what I have been reading here, it apparently hasn't held up in the past.