Hollywood Docket: 'Harry Potter' plagiarism case continues; Actor subpoenas Twitter for source of STD rumor

• A British judge has allowed a lawsuit to go forward that alleges that J.K. Rowling plagiarized "Harry Potter" from the author of an obscure fantasy book, "Willy the Wizard." However, the judge described the plaintiff's chances of success as "improbable" and ordered them to post cash security before future hearings are held. [WP]

• A&E has another lawsuit to add to its growing list of claims. A Texas woman is suing A&E after allegedly identifying her in the show, "The First 48," as a prostitute and possible party to a murder. [Here's the complaint]

• The Weinstein Co. will appeal the NC-17 rating given to its forthcoming drama "Blue Valentine." The film, a hit at Sundance, is an awards contender. [THR]

• Swedish prosecutors and entertainment industry reps gave closing arguments in a seven-day appeal of the conviction of the founders of The Pirate Bay. The prosecution argued that the defendants admitted their role in a copyright-infringing operation and deserve jail time and monetary penalties. [TF] 

• Broadway actor Marty Thomas filed a lawsuit in NY court on Wednesday, demanding that Twitter reveal the individual who claimed via tweet that he has a sexually transmitted disease. The tweet asked followers, "Which Avenue Q cast member gave Marty Thomas crabs?" In papers to the court, Thomas denies he has a STD. [NYDN]