It's a three judge panel paid by the federal government. I think that qualifies as a government entity, plus they are affiliated with the U.S. Patent Office. Hello?!

It seems pretty obtuse of you to conclude that striking down trademarks and damming the huge income stream they represent for the franchise will not result in the ultimate abandonment of their mascot's name. It's First Amendment-infringing legislation from an even less appropriate station than the judicial bench.