Bethesda parent Zenimax Media filed a trademark application for 'Dishonored' on June 17, 2011.
First spotted by System Link (via GameSpot), the filing covers "computer game software for use with computers and video game consoles" and "downloadable computer game software offered via the internet and wireless devices".
In addition, URLs for DishonoredGame.com, DishonoredGame.net, DishonoredTheGame.com, DishonoredTheGame.net were acquired by web marketing specialist Rokkan in February this year.
In May, the company announced that it had created a new in-game animation logo for Bethesda.
Bethesda said this week it'll bring its core titles to the Nintendo Wii U and PS Vita if the tech is powerful enough.