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Grammarly Hit with Class-Action Lawsuit Over AI ‘Expert Review’ Identity Misappropriation

Grammarly is facing a class-action lawsuit from journalist Julia Angwin over its 'Expert Review' AI feature, which allegedly used authors' identities and styles without permission. The company has disabled the feature, marking a critical legal standoff over identity rights and false endorsement in generative AI.

Mark
Mark
· 2 min read
Updated Mar 12, 2026
A courtroom scene where a digital ghostly figure representing a writer is being analyzed by a glowin

⚡ TL;DR

Grammarly disabled its 'Expert Review' feature after a class-action lawsuit accused the platform of stealing authors' identities and styles to train AI.

A Legal Collision at the Borders of Creativity

Grammarly, the prominent online writing assistant platform, is currently embroiled in a severe legal storm. According to reports from Wired, renowned investigative journalist Julia Angwin filed a class-action lawsuit against the company on Wednesday. The heart of the complaint targets Grammarly's recently introduced "Expert Review" AI feature, which is accused of misappropriating the identities, reputations, and unique writing styles of established authors, academics, and journalists without their consent to train and promote its generative AI models.

According to the complaint, Grammarly's feature claimed that its editing suggestions were "inspired by" specific experts. However, those named—including multiple Pulitzer Prize winners—state they never authorized the company to use their names or bodies of work. In her public statement, Julia Angwin emphasized that this isn't just a copyright issue; it is a direct infringement on creators' "right of publicity" and "brand value."

The Technical Controversy of 'Expert Review'

Technically, the "Expert Review" feature was designed to offer sophisticated stylistic suggestions beyond standard automated proofreading. The system trained Large Language Models (LLMs) to mimic the tone, vocabulary, and structural logic of authors in specific professional fields. For instance, a user writing an investigative piece might see a prompt stating, "This paragraph has been optimized inspired by the style of Julia Angwin."

This "identity labeling" has sparked immense backlash. Legal experts analyze that such practices may violate Section 43(a) of the Lanham Act regarding false endorsement. For an average user, such labels could falsely imply that these famous writers participated in product development or endorsed the AI's suggestions. In the legal realm, this constitutes a misappropriation of persona—a sensitive and emerging battlefield in the age of AI.

Grammarly's Emergency Response and Market Reaction

In the face of overwhelming negative publicity and legal threats, Grammarly took decisive action. As reported by The Verge, the company abruptly disabled all functions related to "Expert Review" on Wednesday. In a statement, Grammarly noted they decided to suspend the feature to "reimagine" it in a way that remains useful to users while giving experts genuine control over their identities.

This incident has sent ripples through the tech industry. Google Trends data indicates that search interest for "Grammarly Lawsuit" spiked by 450% in the last 24 hours, particularly in media hubs like New York and San Francisco. This reflects a profound anxiety among professional writers regarding AI's erosion of their vocational identities. While previous lawsuits, such as the New York Times vs. OpenAI, focused on copyright, the Grammarly case goes a step further by touching upon the right to use a person’s name and reputation.

The Battle for Digital Personality Rights

The outcome of this lawsuit could set a major precedent for the generative AI industry. Should the court side with Julia Angwin, it would imply that AI firms must obtain explicit commercial licenses for "style transfer" or "persona mimicry" training, moving beyond the defense of "Fair Use." This would significantly increase training costs for AI models but would provide creators with a robust mechanism to protect their digital assets. For Grammarly, this represents a significant blow to brand credibility and casts a shadow over its transition into an AI-first writing assistant.

FAQ

Grammarly 的「專家評審」功能具體是如何運作的?

該功能利用 AI 模仿知名作家的風格為用戶提供修改建議,並在建議中標註該風格「靈感來自」某位特定作家。

為什麼這項功能會引發集體訴訟?

因為 Grammarly 在未經這些作家授權的情況下,使用了他們的姓名和聲譽來推廣其產品,涉嫌侵犯人格權與虛假背書。

目前該功能的狀態為何?

Grammarly 已於 2026 年 3 月 11 日緊急禁用了該功能,並表示將重新評估其運作方式。