Skip to content
Tech FrontlineBiotech & HealthPolicy & LawGrowth & LifeSpotlight
Set Interest Preferences中文
Policy & Law

AI Accountability Crisis: Grammarly Faces Lawsuit Over Unauthorized 'AI Persona' Feature

Grammarly is facing a class-action lawsuit led by journalist Julia Angwin for allegedly turning professional writers into 'AI personas' without consent. The case tests California's 'Right of Publicity' laws as regulators like the FTC ramp up scrutiny. Combined with data leaks at Lloyds Bank and warnings from Cambridge about AI toys, the industry faces an accountability crisis over data usage and safety.

Mark
Mark
· 2 min read
Updated Mar 13, 2026
A conceptual image of a typewriter with a translucent AI-generated hand overlapping a human hand, wi

⚡ TL;DR

Grammarly is being sued for turning writers into 'AI clones,' sparking a major legal battle over digital identity and data consent.

The Authors Strike Back: My Style is Not Your Training Data

Grammarly, the ubiquitous AI-powered writing assistant, has found itself at the center of a landmark legal battle over intellectual property and identity rights. TechCrunch reports that investigative journalist Julia Angwin is leading a class-action lawsuit against the company, alleging that Grammarly turned writers into 'AI personas' without their consent. The lawsuit claims that Grammarly's 'AI expert review' feature effectively sold digital replicas of prominent authors' writing styles to other users, profiting from their identities without compensation or permission.

Legal Grounds: The Right of Publicity and the 'NO FAKES Act'

The case centers on the 'Right of Publicity,' a legal doctrine that prevents the unauthorized commercial use of an individual’s identity. Under laws such as California Civil Code 3344, misappropriating a person's name or likeness for commercial gain is actionable. The legal challenge tests whether an author's unique prose style can be protected as a digital extension of their identity. This litigation coincides with the rise of the 'NO FAKES Act' in the U.S. Congress, a bipartisan effort aimed at curbing the proliferation of unauthorized AI-generated digital replicas.

Grammarly’s Retreat: Pulling Features Amid Backlash

In response to the growing legal pressure and public outcry from the writing community, Grammarly has officially disabled the controversial feature. As reported by BBC Tech, the company pulled the 'author-impersonation' tool, which allowed users to adopt the voice of specific professional writers. While Grammarly claims it is reviewing its data practices, the FTC has signaled increased scrutiny under Section 5 of the FTC Act regarding 'unfair' data harvesting where creators are not adequately notified that their data will be used to create commercial clones.

Broader Context: Data Privacy and AI Safety Failures

The Grammarly lawsuit is part of a broader trend of technical and ethical failures in the tech sector. BBC Tech also reports a massive data leak at Lloyds Banking Group, where customers were able to see the private transactions of other users due to an app glitch. Meanwhile, a study by Cambridge University researchers warned that AI toys for children often misread emotional cues and respond with inappropriate or harmful content. These incidents collectively highlight the growing gap between rapid AI deployment and the safety protocols required to protect individual privacy.

Future Outlook: Setting the Standards for AI Ethics

The resolution of the Grammarly case will likely set a major precedent for the generative AI industry. It forces companies to confront a fundamental question: can individual creativity be harvested as a commodity? Moving forward, 'opt-in' mandates for training data may become the industry standard. For creators, this is a fight for digital sovereignty; for tech firms, it is a warning that the 'move fast and break things' era of data usage is meeting its legal match in the form of identity protection laws.

FAQ

為什麼 Grammarly 會被起訴?

原告指控 Grammarly 的「專家審核」功能利用了真人的寫作風格進行訓練,並允許其他用戶模仿,這被視為未經授權的身份冒充和商業利用。

這起訴訟對其他 AI 公司有什麼影響?

這可能導致 AI 訓練數據的法律門檻提高,要求公司在利用具有個人特徵(如風格、聲音)的數據時必須徵得當事人的明確同意。

Grammarly 現在還能用嗎?

可以,Grammarly 僅撤回了受爭議的「AI 人格」功能,其基本的語法檢查和生成式寫作建議功能仍維持運作。