
AI tool that copied actor’s ‘lustrous’ voice violated his rights, says Tokyo court
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.
- ▪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
The Guardian — World publishes from United Kingdom and files mainly under world. We currently carry 4,306 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
inspect →
Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | The Guardian — World |
| Canonical URL | https://www.theguardian.com/technology/2026/sep/30/ai-tool-copied-actor-kenjiro-tsuda-tokyo-court |
| Publication time | Wed, 30 Sep 2026 11:09:52 GMT |
| Retrieval time | 2026-09-30T11:17:00.792Z |
| Last seen | 2026-09-30T11:17:00.792Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | Koejmvbk5a_v · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
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.