No Mutants Allowed has got some info on the current affairs between Interplay & Bethseda, the details of which are compressed nicely at Blue's News:
More information.This post on an investing website and this follow-up post are from an Interplay investor, who outlines the current state of the legal tussle between Bethesda and Interplay over rights to the Fallout series. The posts, obviously a bit biased towards Interplay, describe suits and countersuits, explaining that Interplay is currently attempting to persuade the court that Bethesda's interference in their attempts to sell older Fallout games leave their contract null and void, and that Bethesda should pay them royalties for Fallout 3, something the shareholder making the post calls an "AMAZING LEGAL SWITCHAROO."