Square Enix has registered the name of what could be a new game from the Deus Ex series, but, we will have to wait official confirmation.
Observation recently registered Internet domain names and the protection requirements referred to in the last time is a common way to detect unannounced videogames. In most cases, the rumors of such projects prove to be true. We will see is tis gonna be with new product of Square Enix, which should be called Deus Ex: Human Defiance.
Square has filed request for a trademark on the name. Ofcourse, the name itself does not reveal to us whether it is a sequel, or DLC-port a Deus Ex game.
It is known that Eidos Montreal with Thief 4 is working on another two projects, which one of them is almost certainly related to Deus Ex. But at the same time, it is also known that the external developer Straight Right (credited for Mass Effect 3 port on the Wii console) works on the Wii port of one of the stronger franchise and Square Enix is not impossible that the name Human Defiance has something to do with it.
Square Enix has coldly replied to theese claims:
I do not comment on rumors and speculations