Grammarly
Incidents involved as both Developer and Deployer
Incident 14071 Report
Grammarly's AI Expert Review Allegedly Used Journalists' and Authors' Names Without Consent
2026-03-11
Grammarly's Expert Review feature allegedly used a large language model to generate editing suggestions presented under the names of journalists, authors, and academics without their consent. A federal class action filed by Julia Angwin claimed the feature misappropriated identities for commercial gain and attributed advice the named individuals never gave.
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Incident 8432 Report
Generative AI Plagiarism Incident at Hingham High School Reportedly Tied to Inaccurate Citation Outputs from Grammarly AI
2024-11-20
In December 2023, two Hingham High School students ("RNH" and unnamed) reportedly used Grammarly to create a script for an AP U.S. History project. The AI-generated text included fabricated citations to nonexistent books, which the student copied and pasted without verification or acknowledgment of AI use. This violated the school's academic integrity policies, leading to disciplinary action. RNH's parents later sued the school district, but a federal court ruled in favor of the school.
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