A little over a week after the companies behind every major New York TV station filed lawsuits against Aereo, alleging copyright infringement, the streaming TV startup has filed a countersuit.

Reuters reports that Aereo, which is set to launch its service this week in New York, is seeking a declaration that it does not infringe on the broadcasters’ copyrights.

In a keynote address Sunday at SXSW, Barry Diller, whose company IAC/Interactive is behind Aereo, predicted that the streaming TV service would be available in 75 to 100 cities within a year. He also added that he expects there to be “a great fight” between Aereo and established broadcasters such as Fox and CBS. Read more