Harry Potter and the Prisoner of Azkaban (film) 2004 in Europe. Mattel released film tie-ins that included the "Harry Potter Championship Quidditch" board game and character action figures. Lego also expanded on its previous merchandising for the first two films with the release of sets ranging from the Knight Bus to the Shrieking Shack. "Harry Potter and the Prisoner of Azkaban" held its New York premiere at Radio City Music Hall on 23 May 2004, followed by its London premiere at Leicester Square on 30 May 2004. The film then opened in the United Kingdom on 31 May 2004 and on 4 June 2004 in the United States.
Legal disputes over the Harry Potter series An Unauthorized Guide to Harry Potter Fiction". In November 2007, "The Scotsman" reported that Rowling had threatened legal action against American computer programmer G. Norman Lippert for allegedly violating her intellectual property rights by producing and publishing the online novel, "James Potter and the Hall of Elders' Crossing", an unofficial and unauthorised continuation of the "Harry Potter" series. Written as a fan fiction project for Lippert's wife and sons, the novel is set eighteen years after the end of the last official installment in the series, "Harry Potter and the Deathly Hallows", and describes the adventures of Harry Potter's son,