Warner Bros. Entertainment Inc. v. RDR Books the market for reference works. According to Judge Patterson, even a copyright holder as eager as Rowling is to control through licensing all related markets must face limits. Warner Bros. Entertainment Inc. v. RDR Books Warner Bros. Entertainment, Inc. and J. K. Rowling v. RDR Books, 575 F.Supp.2d 513 (SDNY 2008) is a copyright lawsuit brought on 31 October 2007 by the media company Warner Bros. and "Harry Potter" author J. K. Rowling against RDR Books, an independent publishing company based in Muskegon, Michigan. Lawyers for Rowling and Time Warner argued that RDR's attempt to publish for profit a print
J. K. Rowling information on characters, places and objects in the "Harry Potter" universe. In October 2015, Rowling announced via "Pottermore" that a two-part play she had co-authored with playwrights Jack Thorne and John Tiffany, "Harry Potter and the Cursed Child", was the "eighth "Harry Potter" story" and that it would focus on the life of Harry Potter's youngest son Albus after the epilogue of "Harry Potter and the Deathly Hallows". On 28 October 2015, the first round of tickets went on sale and sold out in several hours. In 2000, Rowling established the Volant Charitable Trust, which uses its annual budget of