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
J. K. Rowling the rights to the "Harry Potter" films, have taken numerous legal actions to protect their copyright. The worldwide popularity of the "Harry Potter" series has led to the appearance of a number of locally produced, unauthorised sequels and other derivative works, sparking efforts to ban or contain them. Another area of legal dispute involves a series of injunctions obtained by Rowling and her publishers to prohibit anyone from reading her books before their official release date. The injunction drew fire from civil liberties and free speech campaigners and sparked debates over the "right to read". Rowling has received honorary degrees