Atari - "Can we license the D&D name for some computer games?"
Hasbro - "Sure, board games are dying out and we need the cash"
Atari - "This D&D stuff is pretty cool, we are making shitloads of money"
Hasbro - "Hey, our original agreement looks pretty crap, maybe we should sue"
Atari - "Maybe you should have reinvested years ago into the PC games market instead of hanging onto the past"
Hasbro - "We thought we could just milk you instead"