Legal disputes over the Harry Potter series October 2007, Warner Bros. and Rowling sued Michigan-based publishing firm RDR Books to block the publication of a 400-page book version of the Harry Potter Lexicon, an online reference guide to her work. Rowling, who previously had a good relationship with Lexicon owner Steve Vander Ark, reiterated on her website that she plans to write a "Harry Potter" encyclopedia, and that the publication of a similar book before her own would hurt the proceeds of the official encyclopedia, which she plans to give to charity. A judge later barred publication of the book in any form until the case was
Fan fiction a creative, transformative process. In 1981, Lucasfilm Ltd. sent out a letter to several fanzine publishers, asserting Lucasfilm's copyright to all "Star Wars" characters and insisting that no fanzine publish pornography. The letter also alluded to possible legal action that could be taken against fanzines that did not comply. The Harry Potter Lexicon is one case where the encyclopedia-like website about everything in the Harry Potter series moved towards publishing and commercializing the Lexicon as a supplementary and complementary source of information to the series. Rowling and her publishers levied a lawsuit against the website creator, Steven Vander Ark, and