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Sprint Sues Comcast, TWC, Cox And Cable One Over VoIP Patents

2011-12-20 11:07 by
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Sprint Nextel has sued several cable providers over what it claims is the illegal use of its digital phone technology. On Monday, Sprint filed separate lawsuits against Time Warner Cable Inc., Comcast Corp., Cox Communications Inc. and CableOne in the U.S. District Court for the District of Kansas.

"The cable companies sued by Sprint are continuing to offer phone services that use this technology without obtaining a license or permission from Sprint," the wireless company said in a statement. "Sprint alleges that each of these companies has infringed at least 12 [voice-over-IP] patents by selling cable voice systems and services that use the technology protected by the Sprint patents."

Earlier in 2005, Sprint charged Vonage and Voiceglo Communications on similar grounds. Vonage finally lost the case and had to pay $69.5 million to Sprint for violating their VoIP patent rights. Moreover, Sprint induced the company to ink a deal worth $80 million to use their VoIP technology. Again in 2008, Sprint filed a lawsuit against four smaller firms alleging violation of VoIP patents.

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