Fascinating. You might spend your time more productively reviewing the decision they also announced today, denying a cause of action for the numerous Muslims rounded up by the feds and held without charge for months after 9/11.
The trademark law isn't used against anyone like a cudgel. Tam's argument doesn't make any sense. He could call his band whatever he wants at any time. The only thing a trademark does is give him some economic exclusivity. It's not a big speech win or win for minority rights because 1) the speech could happen anyway, and 2) minorities don't gain anything by securing microscopic slices of economic protectionism to use demeaning words or slurs.
Well, at least the Kimmy Schmidt kids will get some more mileage out of that running gag they been flogging for the past couple of seasons...