] In an enormous blow to the music and motion picture ] industries, a Los Angeles federal judge dismissed a ] lawsuit against file-sharing services Grokster and ] StreamCast Networks Friday, saying that they can not be ] held culpable for illegal file trading done over their ] networks. ] The ruling, made by U.S. District Court Judge Stephen ] Wilson, represents an almost complete turnaround from ] previous victories the record and motion picture ] industries have had in cases involving illegal ] peer-to-peer (P-to-P) file trading. ] ] In his opinion, Wilson ruled that the P-to-P networks ] have substantial noninfringing uses in addition to ] infringing uses that cannot be dismissed. |