The Harry Potter Lexicon and was accepted by author J. K. Rowling as conforming to her works. The Lexicon is a winner of J. K. Rowling's Fan Site Award. Rowling said: On October 31, 2007, J.K. Rowling and Warner Brothers filed a lawsuit against RDR Books over the publication of Vander Ark's Lexicon in book form. The lawsuit was heard in a New York court on April 14, 2008. Whilst some sources refer to Vander Ark being sued, the lawsuit actually names only RDR Books. The lawsuit states, The result of the lawsuit was that the book could be published, but not in its
Legal disputes over the Harry Potter series are unauthorized because the publisher failed to honour its contractual obligations to her. In 2005, Warner Bros. offered CAD$5,000 (later CAD$50,000) to the Canadian folk band the Wyrd Sisters for the rights to use their name in the film version of "Harry Potter and the Goblet of Fire". Rowling had written a scene in the novel in which a band called the Weird Sisters appeared at a school dance, and the group owned the rights to the name in Canada. However, the offer was declined, and instead the band undertook a legal action against Warner Bros., as well as Jarvis