White Wolf, Inc. and author
Nancy A. Collins filed suit against Sony Pictures, Screen Gems, and Lakeshore Entertainment on 4 September 2003 for copyright infringement little more than a week before the theatrical release of Underworld, alleging 17 counts of copyright infringement, and claiming over seventy points of unique similarity between White Wolf's role-playing games, "Vampire: The Masquerade", "Werewolf: The Apocalypse", and their creation, "The World of Darkness", in which the games are set. Nancy A. Collins is the author of a short story, "The Love of Monsters", published in 1994 by White Wolf Inc, and set in the World of Darkness, which she claims the entire plot of Underworld is based on. The suit was settled out of court, for an undisclosed amount.