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
Harry Potter influences and analogues Rowling has said on record multiple times that the name "Harry Potter" was derived in part from a childhood friend, Ian Potter, and in part from her favourite male name, Harry. On 13 April 2008, "The Mail on Sunday" wrote a news article claiming that Warner Bros. had begun a legal action against Buechler; however, the story was denied and lawyers for Rowling demanded the article be removed. On 14 April 2008, John Buechler's partner in the "Troll" remake, Peter Davy, said about "Harry Potter", "In John's opinion, he created the first Harry Potter. J.K. Rowling says the idea just