E-mail Patent Holder NTP Pursues AT&T, Verizon, T-Mobile, Sprint
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The patent holding company that successfully produced a $612.5 million patent infringement settlement with BlackBerry producer Research In Motion even while the US Patent and Trademark Office was doubting the validity of its patents, has filed suit against the US' four leading wireless carriers for infringement of what are believed to include some of the same disputed patents.
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Standard &amp; Poor&#39;s Equity Research said Research In Motion (nasdaq: RIMM - news - people ) &quot;is potentially at risk for patent infringement in the case against NTP Inc.
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NTP Inc, which last year won a $612.5  million settlement from the maker of Blackberry, has sued  several leading wireless companies for patent infringement,  according to court papers.
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Bill Nebes runs a company that specializes in matching cellphone users with the best handset, wireless carrier, and rate plan for them.
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AT&T Inc , Verizon Wireless and  Deutsche Telekom's (DTEGn.DE) T-Mobile USA on Tuesday announced  flat rate plans for unlimited calls in the United States,  raising investor concerns that a price war could break out and  sending shares lower.
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By Sanford Nowlin, San Antonio Express-News  Jun. 15--In a move that's ignited criticism from bloggers and Internet  activists, San Antonio-based phone giant AT&T Inc.
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NTP Inc., the patent-owning entity that got $612 million out of a suit against BlackBerry maker Research in Motion Ltd., has hit the nation's top four wireless carriers with similar lawsuits.
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The nation's largest e-mail providers today filed a new round of lawsuits against Internet spammers allegedly responsible for shoveling millions of junk e-mail messages into computer users' in-boxes and their instant messaging screens.
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NTP Inc, which last year won a $612.5  million settlement from the maker of Blackberry, has sued four  of the top U.S. mobile service providers for infringing eight  patents related to wireless e-mail.
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Four of the nation&#39;s largest online providers yesterday announced a new round of lawsuits aimed at e-mail spammers, including the first major case involving spam sent via an instant messaging service.
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Nokia, the world's top cell phone  maker, has filed a patent counter-suit against Qualcomm Inc in  a Texas court, seeking damages and an injunction against the  U.S. chip maker.
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- Broadband telephone services provider Vonage  Holdings Corp.  said it intends to continue its fight  against a patent infringement lawsuit filed by Verizon  Communications Inc. .
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By DAVID TWIDDY    KANSAS CITY, Mo.  -- Sprint Corp...
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Little-known company has come forward claiming rights to patents at the center of NTP's high-stakes suit against Research In Motion.
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Wireless tech heads to court again, as Motorola subsidiaries Symbol and Wireless Valley claim patent infringement.
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A venture led by the Microsoft co-founder has applied to bid in a U.S. auction of wireless airwaves, along with Google, AT&T, Verizon Wireless and Qualcomm.
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By Kristin McAllister Staff Writer  Wireless providers AT&T Inc. and Sprint Tuesday announced separate offerings that brings a convergence of voice mail, e-mail and video service, including cable television to their subscribers' cell phones.