Valve Files CS2 Trademark

Rumors have been flying for a while, suggesting Valve is working on a follow-up to Counter-Strike: Global Offensive using the newest version of the Source engine. Now PCGamesN adds more fuel to the fire, noting that Valve has filed a Trademark application for CS2. This is a recent development, the application is dated March 14th. This is for a "standard character mark" to cover:
Computer game software, electronic game software, video game software, computer game programs downloadable via the internet.