Trademarks last indefinitely, but I don't see one for The Bat. It could be that it was formerly registered to someone else and not transferred to CF, but I'd have to do a more extensive search to know.
Good news! I'm not a troll, yo! I legit found this site because of the excitement my kids and I have through attending KI this year. It's the first timet hey were all big enough to get Gold Passes and the cost be worth it! I Google'd and this is where I landed. I enjoy reading and am SO stoked for tomorrow! So, let the haters hate! That is all.
I think the "leaked" web site would have been far more convincing if it came out about two weeks before it did. By yesteray, most people had already made their convictions.
I was thinking about the whole Banshee thing though.