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
J. K. Rowling series thus far. The release date was subsequently announced on 10 July 2018, through the Twitter account of Robert Galbraith, to be 18 September 2018. Rowling has said it is unlikely she will write any more books in the "Harry Potter" series. In October 2007 she stated that her future work was unlikely to be in the fantasy genre. On 1 October 2010, in an interview with Oprah Winfrey, Rowling stated a new book on the saga might happen. In 2007, Rowling stated that she planned to write an encyclopaedia of "Harry Potter"s wizarding world consisting of various unpublished material