Google is demanding a federal judge grant it permission to appeal a decision that approved a federal wiretapping lawsuit over its interception of unencrypted Wi-Fi traffic.

The Mountain View, California, media giant responded late Friday to a Silicon Valley federal judge’s June 29 decision in nearly a dozen combined lawsuits seeking damages from Google for eavesdropping on open, unencrypted Wi-Fi networks from its Street View mapping cars. The vehicles, which rolled through neighborhoods across the country, were equipped with Wi-Fi–sniffing hardware to record the names and MAC addresses of rou...