Blizzard Trademarked the name "Mists of Pandara" recently according to multiple WoW news sites. With Blizzcon just a few months a way a lot of people are assuming that this is the next expansion. Since Blizzard registered "Cataclysm" as a trademark about this time two years ago that seems like a reasonable assumption. However, I want to go on the record and claim one thing.
I'm Calling Troll.
I acknowledge that I could very well be wrong, but "Mists of Pandara" doesn't smell right as a WoW expansion. First of all lets remember the history of the Pandaran. The race started as a personal art project of Blizzard's lead artist, that was eventually turned into an April Fools joke. The Pandaran were so popular that Blizzard has included them in minor ways into various games and the lore, but none of it was all that major. Since Blizzard knows people are looking at the trademarks to get a clue of what the next expansion will be, it wouldn't surprise me if they threw this one out there to yank our chain a little bit.
Second, let me list the expansions and lets see if we see a pattern.
The Burning Crusade - Established in Lore and a clear enemy in demons.
Wrath of the Lich King - Established in Lore and a clear enemy in undead.
Cataclysm - The name doesn't invoke any established Lore, but a Cataclysm is clearly something bad.
Now lets look at this new trademark.
Mists of Pandera - Pandas?
Lets face it, there isn't a lot of lore about the Pandaren, and most of what we do have comes from the RPG books which Blizzard has confirmed is not canon. Not only that who would we be fighting, and how are the Pandaren related to that. Also, the Pandaren Islands are supposed to be small far away islands, and I have to wonder if they would really be big enough to support an expansion.
I wouldn't be surprised if this turned out to be a small Facebook or pop cap game that Blizzard created for the fun of it, but I would be absolutely shocked if this is an expansion.