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 Fan Zone of Warner Bros., it has covered the US and UK premieres of the last six "Harry Potter" films and has twice visited Leavesden Studios to report on "Harry Potter" filming. The website has also been selected for preservation in the Pandora Archive by the National Library of Australia. The site has had the opportunity to interview many of the cast and crew involved in the "Harry Potter" film franchise, including Daniel Radcliffe, Rupert Grint, Tom Felton, Evanna Lynch, Andy Linden, James Walters, Jamie Waylett and crew members David Yates, David Heyman and David Barron. Additionally, J. K. Rowling answered questions