After suing Comcast, Cox, Mediacom and several other smaller cable operators over VoIP patents, Sprint has set its sights on WideOpenWest, Atlantic Broadband and the three cable operators owned by TPG Global LLC.
As noted in the Denver Business Journal, the Kansas City-based wireless company filed suit last week against WOW, Atlantic Broadband and TPG. (The latter owns Grande Communications, RCN and Wave Broadband.)
In all three filings, Sprint seeks an unspecified amount of damages and a permanent injunction.
RELATED: Mediacom sued by Sprint for alleged VoIP patent violation
Sprint filed paperwork with the SEC indicating that it had received $350,000 in settlements from patent infringement suits in the fourth quarter. In October, it announced that settled a 2011 beef with Comcast for $250 million. And in January, Sprint announced a settlement deal with Cox Communications in which it would use the privately held operator’s network infrastructure to develop 5G wherewithal.
RELATED: Comcast settles VoIP patent dispute with Sprint for $250M
Going back even further, Sprint won an $80 million settlement from Vonage for VoIP patents in 2007, and a $139.8 million jury payout last year after a six-year patent battle with the erstwhile Time Warner Cable.
Sprint also filed a VoIP patent suit against Mediacom in December.