
Julian Assange (right), the 40-year-old founder of WikiLeaks, arrives at the Supreme Court in London on Wednesday, Feb. 1, 2012, for a hearing in his extradition case. (AP Photo/Kirsty Wigglesworth)

Julian Assange

Julian Assange, founder of WikiLeaks, leaves the High Court in London on Monday, Dec. 5, 2011, after the court gave him permission to continue his legal battle to avoid extradition to Sweden over sex-crimes allegations. (AP Photo/Kirsty Wigglesworth)

WikiLeaks founder Julian Assange has lost his appeal against extradition to Sweden to answer sex crime accusations, but may take his protracted fight to Britain's highest court.

** FILE ** This is a Monday, Feb. 7, 2011, file photo of WikiLeaks founder Julian Assange as he leaves Belmarsh Magistrates' Court in London. (AP Photo/Kirsty Wigglesworth, File)

** FILE ** WikiLeaks founder Julian Assange arrives at the High Court in London on Tuesday, July 12, 2011, for his extradition appeal hearing. (AP Photo/Lefteris Pitarakis)

Daniel Domscheit-Berg, a former WikiLeaks employee who in January launched a rival website called OpenLeaks, speaks with the Associated Press in Berlin on Tuesday, Feb. 8, 2011, about his new book, "Inside WikiLeaks: My Time With Julian Assange at the World's Most Dangerous Website." (AP Photo/Michael Sohn)

WikiLeaks founder Julian Assange (left) arrives at Belmarsh Magistrates' Court in London on Monday, Feb. 7, 2011, for an extradition hearing. (AP Photo/Matt Dunham)

Former Swiss banker Rudolf Elmer poses for the photographers with digital disks he claims have information and documents before handing them to WikiLeaks founder Julian Assange, left, during a press conference at the Frontline Club in London, Monday Jan. 17, 2011. (AP Photo/Lefteris Pitarakis)