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AI tool that copied actor’s ‘lustrous’ voice violated his rights, says Tokyo court

AI tool that copied actor’s ‘lustrous’ voice violated his rights, says Tokyo court

https://www.theguardian.com/profile/justinmccurry· ·3 min read · 0 reactions · 0 comments · 7 views
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TL;DR · WeSearch summary

Tsuda Kenjiro’s legal team argued that the content posted by the anonymous TikTok account was ‘sordid’. Photograph: Dick Thomas JohnsonView image in fullscreenTsuda Kenjiro’s legal team argued that the content posted by the anonymous TikTok account was ‘sordid’. “The unauthorised use of a performer’s voice … can be considered an infringement on publicity rights,” said the presiding judge, Aya Takahashi.The lawsuit is believed to be the first in Japan seeking to defend an individual’s vocal identity against AI-generated copies.

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The Guardian — World publishes from United Kingdom and files mainly under world. We currently carry 4,306 of its stories.

Original article
The Guardian — World · https://www.theguardian.com/profile/justinmccurry
Read full at The Guardian — World →

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Source · retrieval · rights · ranking — open for full record
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Record

Original publisherThe Guardian — World
Canonical URLhttps://www.theguardian.com/technology/2026/sep/30/ai-tool-copied-actor-kenjiro-tsuda-tokyo-court
Publication timeWed, 30 Sep 2026 11:09:52 GMT
Retrieval time2026-09-30T11:17:00.792Z
Last seen2026-09-30T11:17:00.792Z
Headline sourcePublisher (no WeSearch rewrite)
Excerpt sourcepublisher body
Excerpt methodFirst ~120 words (~800 chars) of extracted publisher body, fair-use limited.
SummaryWeSearch · cerebras-chat (WeSearch summarizer)
Summary source textcontentText
Citation coverageSummary is a WeSearch-generated derivative; primary citation is the original publisher URL.
ClusterKoejmvbk5a_v · 1 stories
Cluster logicGrouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison.
Ranking reasonStory pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking.
Publisher visitYes — open original
Substitutes article?No — link-out required for full text

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Machine-readable
No source-specific machine-readable restriction detected beyond the public feed.
WeSearch interpretation
WeSearch declared handling (basis: Derived from the published RSS/Atom feed). This is WeSearch policy, not a legal grant on the publisher's behalf.
Unknown
Retrieval and training permissions are not asserted unless the publisher confirms them.

WeSearch handling by dimension

Indexing May the item be indexed (stored, ranked, made findable)? Allowed
Snippet May a short excerpt of the publisher's text be shown? Allowed
AI summary May WeSearch generate its own short summary of the article? Limited
Retrieval / RAG May the content be exposed for third-party retrieval-augmented generation? Not asserted
Model training May the content be used to train AI models? Not asserted
Commercial reuse May the content be reused commercially? Not permitted

Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.

Opening excerpt (first ~120 words) tap to expand

Tsuda Kenjiro’s legal team argued that the content posted by the anonymous TikTok account was ‘sordid’. Photograph: Dick Thomas JohnsonView image in fullscreenTsuda Kenjiro’s legal team argued that the content posted by the anonymous TikTok account was ‘sordid’. Photograph: Dick Thomas JohnsonAI (artificial intelligence)AI tool that copied actor’s ‘lustrous’ voice violated his rights, says Tokyo courtKenjiro Tsuda wins case against TikTok account in landmark verdict to protect publicity rightsJustin McCurry in TokyoWed 30 Sep 2026 07.09 EDTSharePrefer the Guardian on GoogleA court in Japan has ruled that the human voice has legal protection after a landmark case involving a well known actor and a TikTok account whose AI-generated videos, he claimed, had cloned his “lustrous” baritone…

Excerpt limited to ~120 words for fair-use compliance. The full article is at The Guardian — World.

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