Key Facts
• December 16, 2025: Tokyo District Court dismissed Takahashi Tachibana’s defamation claim.
• Tachibana sought ¥1.6 million in damages from journalist Isoko Mochizuki.
• Mochizuki’s post linked Tachibana’s actions to the suicide of former Hyogo councilor Hideaki Takeuchi.
• Court ruled no evidence supported claims of Tachibana inciting harassment.
• Judge acknowledged Mochizuki’s post had public interest and was not defamatory.
• Tachibana previously dropped similar lawsuits against two other politicians.
• Court criticized Tachibana’s statements about Takeuchi as lacking factual basis.
• Lawyer Yuichiro Ishimori highlighted risks of spreading unverified claims online.
• Court emphasized legal accountability for influencers amplifying baseless allegations.
Summary
Takahashi Tachibana, leader of the political group ‘Protect the People from NHK Party,’ faced his third consecutive legal defeat in a defamation case against journalist Isoko Mochizuki. The Tokyo District Court dismissed Tachibana’s claim for ¥1.6 million in damages, ruling that Mochizuki’s social media post, which linked Tachibana’s actions to the suicide of former Hyogo councilor Hideaki Takeuchi, was not defamatory. The court found no evidence supporting Tachibana’s allegations and affirmed the public interest in Mochizuki’s commentary. This follows Tachibana’s earlier withdrawal of similar lawsuits against two other politicians. The ruling also highlighted the dangers of spreading unverified claims online, with legal accountability extending to those who amplify such content. Lawyer Yuichiro Ishimori emphasized the importance of verifying information before dissemination.
