Megaupload said that the video contained no infringing content, commenting: "we have signed agreements with every featured artist for this campaign".[41] Megaupload requested an apology from UMG, and filed a lawsuit against the company in the United States District Court for the Northern District of California, on 12 December 2011.[42][43] UMG denied that the takedown was ordered under the terms of the Digital Millennium Copyright Act, and said that the takedown was "pursuant to the UMG-YouTube agreement," which gives UMG "the right to block or remove user-posted videos through YouTube's CMS (Content Management System) based on a number of contractually specified criteria."[44] The video was subsequently returned to YouTube, with the reasons for the UMG takedown remaining unclear.[45] YouTube stated: "Our partners do not have the right to take down videos from YT unless they own the rights to them or they are live performances controlled through exclusive agreements with their artists, which is why we reinstated it."[46][47] Lawyers for will.i.am initially said that he had never agreed to the project, but on 12 December, he denied any involvement in the takedown notice.[48]