Actually, the license is "stuck" with Atari. Back then, in 2000, they licensed the D&D game rights to Atari... for 17 years. Somewhen (2005ish, I think) they managed to shave off two years, i.e. until 2015.
Back then, BioWare was still independent, hence NWN. Now, BioWare is attached to EA...