On Tuesday Tess Gerritsen filed a lawsuit against Warner Bros. in a Los Angeles US District Court over credit and net profit participation on the “Gravity” movie, which she says was at least partly based on her 1999 novel of the same name. Rather than the typical copyright infringement claim in many movie source disputes, Gerritsen charges the studio with breach of contract. Her 47-page complaint asserts that in accordance with the sale of movie rights to her novel GRAVITY prior to publication in 1999 for $1 million, she is owed a production bonus of $500,000, 2.5 percent of “defined net proceeds,” and […]