Warner Bros. Entertainment Inc. v. RDR Books York trial attorney, David Hammer. Ms. Hasse then asked a group of intellectual property lawyers at Stanford Law School to help defend RDR Books' right to publish. Fair Use Project Executive Director Anthony Falzone said the Lexicon is protected by U.S. law which has long given people "the right to create reference guides that discuss literary works, comment on them and make them more accessible." On 16 January 2008, Rowling and Warner Bros. filed their full 1,100 page complaint against RDR Books, claiming that the book compiles and repackages Ms. Rowling's fictional facts derived wholesale from the Harry Potter works
Harry Potter audience. In December 2005, Rowling stated on her web site, "2006 will be the year when I write the final book in the "Harry Potter" series." Updates then followed in her online diary chronicling the progress of "Harry Potter and the Deathly Hallows", with the release date of 21 July 2007. The book itself was finished on 11 January 2007 in the Balmoral Hotel, Edinburgh, where she scrawled a message on the back of a bust of Hermes. It read: "J. K. Rowling finished writing "Harry Potter and the Deathly Hallows" in this room (552) on 11 January 2007." Rowling