Two groups of plaintiffs filed separate copyright infringement suits against Aereo and moved for a preliminary injunction to prevent Aereo from transmitting programs to its subscribers while the programs were still being broadcast. The plaintiffs claimed that the transmission of the programs violated their right to "publicly perform" their copyrighted works. The district court denied the motion and held that Aereo's system was not substantially different from another that had been determined non-violative of the rights of copyright holders and that, while the injunction might prevent harm for the plaintiffs' businesses, it would irreparably harm Aereo's. The U.S. Court of Appeals for the Second Circuit affirmed the lower court's ruling to deny the motion.