Fedora: Trademark defense -- you can help

This is asking for some fairly specific items - curious that no specific suits are named though, instead of the vague reference to the "occasional defense". Seems like they are having trouble in China. I wonder what the real story is.

I haven't researched international trademark law, but here's the registration for the Fedora mark - filed in 2003, registered in August 2007: http://tess2.uspto.gov/bin/showfield?f=doc&state=4005:60...