Monument Patent Holdings, LLC subsidiary Preferential Networks IP, LLC has filed a second suit asserting its bandwidth allocation patent (8,577,994). Softbank Group (Boost Mobile, Sprint Spectrum, Virgin Mobile) (2:17-cv-00197) joins AT&T (AT&T Mobility, Cricket Wireless, New Cingular Wireless Services) (2:16-cv-01374) as defendants in the campaign. The NPE accuses the carriers of infringement through “network throttling” mechanisms (e.g. restricting delivery of data to a user based on prior usage) within their networks. The new filing comes as the court considers an AT&T Rule 12 motion to dismiss under Alice.