AT&T, Verizon Wireless, RIM and Other Phone Manufacturers and Telecom Providers Sued for Patent Infringement
January 9, 2013 - Steelhead Licensing LLC, a company that owns a patent related to 3G and 4G technology, filed a patent suit against 13 companies that either manufacture mobile phones or provide wireless service. Besides AT&T, Verizon Wireless and Research in Motion (RIM), the other defendants named in the lawsuit are MetroPCS, Motorola, HTC, Kyocera, LG Electronics, Sony, ZTE, NEC Casio Mobile, Sprint Nextel, Verizon Wireless, and T-Mobile USA.