Yes, the litigation is ongoing. We object that we can not call our Glass other than glass, because that's what it is (check the dictionary). Otherwise we want be able to call any other wearable "shoe", "glove", or whatever, just because someone uses that term first.

And however, if anyone can litigate us on that name it would be my friend Steve Mann, who has been using it for about twenty years: Glass generation 1, Glass generation 2, ... See http://en.wikipedia.org/wiki/Augmented_reality