Attorneys for Hong Kong-based Megaupload have filed a motion to dismiss the US government’s charges of mass copyright infringement, arguing that a foreign corporation that lacks a US office is not subject to jurisdiction within the United States (Arent Fox)

Megaupload’s file-hosting services at one time claimed 180 million users and allegedly generated hundreds of millions of dollars by encouraging users to post movies, music, and other copyrighted material that the company knew was stolen.