Supreme Court ruling Cox not liable for user copyright infringement big win for online providers

Major record labels including Sony Music Entertainment sued Cox, accusing the company of failing to adequately address repeated infringement notices and of not terminating service to known infringers.

Published: March 29, 2026 10:13pm

The Supreme Court's recent, unanimous decision that reversed a billion-dollar copyright verdict against Cox Communications, holding that the company cannot be held liable for copyright infringement committed by its subscribers, marks a significant victory for internet service providers.

Cox Communications serves about 6 million subscribers across the country. Major record labels including Sony Music Entertainment sued Cox, accusing the company of failing to adequately address repeated infringement notices and of not terminating service to known infringers, leading to a jury award exceeding $1 billion in damages.

In Cox Communications, Inc. v. Sony Music Entertainment, decided last week, the high court addressed whether an internet service provider can be held contributorily liable for users who illegally download and share copyrighted material over its network.

Writing for the court, Justice Clarence Thomas, joined by seven justices, emphasized that longstanding copyright law does not impose liability on companies that provide general services to the public simply because they are aware that some users may engage in infringement. Instead, contributory liability requires evidence of intent, such as actively inducing infringement or designing a service specifically to facilitate it. 

“Cox neither induced its users’ infringement nor provided a service tailored to infringement,” Thomas wrote. “Under our precedents, a company is not liable as a copyright infringer for merely providing a service to the general public with knowledge that it will be used by some to infringe copyrights.” 

Thomas also noted that internet service providers, which serve millions of users engaged in lawful activity, have limited ability to monitor or control individual behavior beyond enforcing contractual terms that prohibit infringement.

The ruling overturns decisions by lower courts, including the U.S. Court of Appeals for the Fourth Circuit, which had upheld findings of willful contributory infringement against Cox.

Justice Sonia Sotomayor, joined by Justice Ketanji Brown Jackson, concurred in the judgment but wrote separately. Sotomayor agreed that Cox could not be held liable on the facts but expressed concern that the majority opinion unnecessarily narrowed potential common-law theories of secondary liability, such as aiding and abetting, potentially affecting the balance Congress struck in copyright law.

Digital rights advocates and internet access groups praised the decision as a safeguard against overly aggressive enforcement measures, including mass account terminations. By contrast, representatives of the music industry warned that the ruling may limit tools available to combat online piracy.

Cox welcomed the decision in a public statement, calling it “a decisive victory for the broadband industry and for the American people who depend on reliable internet service.” The company added that the ruling affirms that service providers “are not copyright police and should not be held liable for the actions of their customers.”

The record labels have not yet publicly commented on their next steps. The case has been remanded for further proceedings consistent with the Court’s opinion.

The decision highlights the continuing tension between enforcing intellectual property rights in the digital age and avoiding undue burdens on neutral service providers that facilitate vast amounts of lawful online activity.

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