"Microsoft previously told the American Congress that it will only collect such data if the user has given the company their consent," according to The Next Web.
According to the lawsuit, however, that was a false statement. Exactly who the Windows Phone 7 user is, and how they uncovered the alleged data transmission remains unknown, while the suit seeks
"injunction and punitive damages, among other remedies," according to Reuters.
"This is a contentious issue, and was one that took center stage earlier this summer, as Apple and other technology giants were publicly castigated for collecting data from their users," The Next Web notes. "The controversy had mostly died down until this lawsuit was filed."