# AT&T Sues Charter Over 'Fiber' Internet Claims

The lawsuit alleges misleading marketing practices.

- **Source:** [CNET](https://brifing.si/source/ce507de7-7f24-4ff4-ab6d-7635abcc095a)
- **Published:** 2026-08-28
- **Topic:** [Business](https://brifing.si/c/business)
- **Original article:** <https://www.cnet.com/home/internet/att-sues-charter-over-fiber-internet/>
- **On Brifing:** https://brifing.si/s/8c5c2281-9807-40c8-9323-2dd5378e9e75

## Lawsuit Basis

AT&T filed a lawsuit against Charter, claiming its 'fiber-powered' internet marketing misleads customers. Charter sells home internet under the Spectrum brand. Fiber internet is preferred for high-speed activities like online gaming and video conferencing. However, Spectrum's cable plans offer upload speeds capped at 40Mbps while download speeds exceed 1,000Mbps.

## Fiber vs Cable Infrastructure

Charter uses fiber optic cables for most of its network but switches to copper coaxial cables for the last mile. Providers like AT&T run fiber connections all the way to homes. According to FCC data, Charter provides fiber access to 2.3% and cable to 29.9% of US households. Checks in Dallas showed fiber plans available at some addresses.

## Consumer Rights

An AT&T representative stated customers shouldn't need telecom expertise to understand their purchases. They emphasized that 'internet marketed as fiber should be 100% fiber to the home.' In Dallas, Spectrum serves 608,000 households compared to AT&T's 495,000. Charter has faced previous criticism for presenting itself as a fiber provider.

## Previous Warnings

In March, following an AT&T challenge through the Better Business Bureau, Charter agreed to modify its 'fiber-powered' claims. The company committed to clearly disclosing that its services aren't delivered via fiber-to-the-home infrastructure. Spectrum's website fine print notes connections use coaxial lines.

## Industry Trends

Cable providers increasingly try to capitalize on fiber's prestige. Many are upgrading last-mile connections to fiber. However, competitors like AT&T argue full fiber infrastructure provides competitive advantage. As consumer expectations for speed and performance grow, marketing disputes are becoming more common.

## Technical Details

Fiber optic cables use thin glass strands to transmit data via light signals, offering symmetrical upload/download speeds. Coaxial cables, made of copper, can't match this performance. AT&T alleges Charter obscures this technical difference. FCC data helps compare companies' infrastructure investments.

## Marketing Strategies

Charter's 'fiber-powered' marketing might lead customers to expect full fiber performance. However, cable internet, especially upload speeds, remains limited. AT&T views this as unfair competition. Similar cases could set new standards for advertising transparency. Consumer protection agencies are monitoring these developments.

## Industry Impact

This lawsuit could set an important precedent for telecom marketing practices. If AT&T succeeds, other companies might file similar claims. As consumer expectations rise, providers may need more transparent advertising. The FCC's data collection methods gain importance in this process, potentially influencing future regulations.

## Sources covering this story

- https://www.cnet.com/home/internet/att-sues-charter-over-fiber-internet/ — 

---

_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._