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 and MEP Emma Nicholson founded the Children's High Level Group (now Lumos). In January 2006, Rowling went to Bucharest to highlight the use of caged beds in mental institutions for children. To further support the CHLG, Rowling auctioned one of seven handwritten and illustrated copies of "The Tales of Beedle the Bard", a series of fairy tales referred to in "Harry Potter and the Deathly Hallows". The book was purchased for £1.95 million by online bookseller Amazon.com on 13 December 2007, becoming the most expensive modern book ever sold at auction. Rowling gave away the remaining six copies to those