Howcome any company can reproduce a guitars body style, Strat, LesPaul, dreadnought, etc., but as soon as someone uses the same headstock shape, all hell brakes loose?
Not sure about gibsons but fenders have the body shape patented. There's a little round sticker to the right of the fender stratocaster lettering that says :Original coutoured body patented". Its on every strat headstock. Yet most copies rip of the body and change the headstock shape. weird hu.
And anyway, all you have to do is change the body dimensions a few fractions of an inch one way, and you have a "whole new design". That's a bit harder to do on a small headstock without completely changing it...