The United States Supreme Court unanimously confirmed that using this service to trade copyrighted material is illegal. ... There are legal services for downloading music and movies.

Twenty-eight of the world's largest entertainment companies brought the lawsuit against the makers of the Morpheus, Grokster, and KaZaA software products, aiming to set a precedent to use...

Order and opinion granting Grokster's and Streamcast's motions for summary judgment. Case: MGM et al. v. Grokster et al. Date: April 25, 2003.;

Monday's Grokster decision by the Supreme Court is a win for file sharing. In fact, it's a pretty big win, and it's a loss for the entertainment industry. ... The Grokster case, as it's come to be

Few tears will be shed if Grokster and StreamCast are driven out of business as a result of the Supreme Court's decision.

MGM Studios, Inc. v. Grokster, Ltd. 545 U.S. 913 (2005) is a United States Supreme Court decision in which the Court unanimously held that defendant P2P file sharing companies Grokster and Streamcast (maker of Morpheus) could be sued for inducing copyright infringement for acts...

As expected, the Supreme Court decided both Grokster and Brand X today -- and, as expected, the results aren't as clear as some people seem to be making them out to be.

There is so much excellent Grokster analysis (here and here and here and here and here, for starters), that I have only the briefest comments.

Even if the absolute number of noninfringing files copied using the Grokster and StreamCast software is large, it does not follow that the products are therefore put to substantial noninfringing...

MGM vs Grokster ... Identify the important points: Be as specific as possible -- just saying something that amounts to "they are against Grokster" says nothing.