Stuart just posted quite a passionate youtube update on what's happening:
WATCH IT HERE

Basically, the lawyers for the offshore company (that own the trademark Yves Klein) have warned him to stop talking about what they've done to him. 

This is a terrible thing for all of our artistic freedom. 
If you can, please share the petition far and wide, we need much more eyes on it. 

We need the world to understand why this is a really important case. 

Thanks for everything so far. 
Together, as a community, we can shut this behaviour down.