Monolith and Warner Bros. Games have announced that they have purchased the F.E.A.R. name from Activision/Blizzard. As a result they have renamed the game to F.E.A.R. 2: Project Origin:

"Monolith Productions, the creators of F.E.A.R., have been developing the true sequel to F.E.A.R. over the last two years under the community selected title, “Project Origin.” With the name being returned home, the game will now be titled F.E.A.R. 2: Project Origin."