Facebook, Inc. v. Duguid

Decided April 1, 2021. Sonia Sotomayor delivered the opinion of the Court.

Docket 19-511 · 592 U.S. 395 · Cited 386 times

To qualify as an “automatic telephone dialing system” under the Telephone Consumer Protection Act of 1991, a device must have the capacity either to store, or to produce, a telephone number using a random or sequential number generator.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

Sonia Sotomayor’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2021). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).