HardwarePal : After the Half Life 3 Trademark registration and cancellation we have a new trademark called Portal 3.
via N4G: pc news feed http://n4g.com/news/1368280/half-life-3-and-portal-3-is-valve-trying-to-drive-us-crazy
via N4G: pc news feed http://n4g.com/news/1368280/half-life-3-and-portal-3-is-valve-trying-to-drive-us-crazy