Evan Brown writes:
Plaintiff company and its CEO sued several unknown defendants who tweeted that plaintiff company encouraged domestic violence and misogyny and that the CEO visited prostitutes. The court allowed plaintiffs to serve subpoenas on Twitter to seek the identity of the unknown Twitter users. Twitter would not comply with the subpoenas unless and until the court ruled on whether the production of information would violate the users’ First Amendment rights.
The court ruled in favor of the plaintiffs and ordered Twitter to turn over identifying information about the unknown users. In reaching this decision, the court applied the Ninth Circuit analysis for unmasking anonymous internet speakers set out in Perry v. Schwarzenegger, 591 F.3d. 1126 (9th Cir. 2009).
Read more about Music Group Macao Commercial Offshore Ltd. v. Does I-IX on Internet Cases.