Intellectual Property Magazine
Verizon and T-Mobile hit with Wi-Fi calling suits
Pair latest to be hit with patent appropriationclaims by Texas-based IP consulting firm, as AT&T already defeats allegedclaims of infringement
Ben Wodecki
US telecom giants Verizon and T-Mobile are alleged to haveinfringed US patents covering Wi-Fi calling technology, according
to complaintsfiled against the pair by Kaifi,a Texas-based IP consulting company.