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AT&T sues Comcast over 'fiber-powered' internet advertising

By Reuters News

By Blake Brittain

Nov 13 (Reuters) - AT&T T.N sued rival Comcast CMCSA.O in California federal court on Friday, accusing Comcast of falsely advertising its Xfinity internet as "fiber powered."

  • AT&T said in the complaint that Comcast's ads give the misleading impression that Xfinity is a "fiber-to-the-home service" when it uses copper wire for the "critical last mile" to users' homes

  • Spokespeople for Comcast did not immediately respond to a request for comment on the complaint

  • The lawsuit said that Comcast's advertising "blurs the distinction between fiber-to-the-home service, or 100% fiber, and Comcast’s inferior hybrid copper-based service"

  • AT&T accused Comcast of wrongly implying that Xfinity internet service is equivalent to AT&T's fiber internet

  • AT&T requested an unspecified amount of monetary damages and a court order blocking Comcast from calling its internet "fiber powered"

  • AT&T separately filed a similar lawsuit against Charter Communications over its "fiber powered" internet advertising in August, which is still ongoing

The case is AT&T Teleholdings Inc v. Comcast Cable Communications LLC, US District Court for the Northern District of California, No. 3:26-cv-13704

For AT&T: Margaret Terwey of Reese Marketos

For Comcast: attorney information not yet available

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