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生成AI活用特許情報サービス特許権侵害訴訟が終了

25/4/2026

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特許調査支援サービス「サマリア(summaria)」を提供しているパテント・インテグレーション株式会社が、特許総合検索・分析プラットフォーム「Patentfield」を提供しているPatentfield株式会社に対し、生成AIを活用した特許情報サービスに関する特許権を侵害したとして2024年末から段階的に提起した計6件の訴訟は、民事調停法17条に基づく決定が確定したことにより、2026年4月にすべての事件が終了しました。
具体的な和解条件は非公開ですが、この事案は生成AIリーガルテック業界における知財戦略の重要性を再認識させる象徴的な出来事として位置づけられています。
生成AIにこの事案について深堀させましたので、ご参照ください。なお、生成AIによる調査・分析結果は、公開された情報からだけの分析であり、必ずしも実情を示したものではないこと、誤った情報も含まれていることについてはご留意されたうえで、ご参照ください。
 
パテント・インテグレーション株式会社と当社との間の特許権侵害訴訟の終了のお知らせ
Patentfield株式会社
2026年4月17日
https://prtimes.jp/main/html/rd/p/000000062.000025380.html
 
Patentfield株式会社と当社との間の特許権侵害訴訟の終了のお知らせ
2026-04-17
https://patent-i.com/ja/news/88/
 
Patent Infringement Litigation Concerning Generative AI-Based Patent Information Services Concluded
Patent Integration Co., Ltd., the provider of the patent search support service “Summaria,” filed a total of six lawsuits in stages starting in late 2024 against Patentfield Co., Ltd., which operates the comprehensive patent search and analytics platform “Patentfield,” alleging infringement of patent rights related to generative AI-based patent information services. All of these cases were concluded in April 2026, following the finalization of a decision under Article 17 of the Civil Conciliation Act.
While the specific settlement terms remain undisclosed, this case is regarded as a symbolic event that underscores the importance of intellectual property strategy within the generative AI legal tech industry.
I have had a generative AI conduct an in-depth analysis of this case, and we invite you to review the results. Please note that the analysis is based solely on publicly available information and may not fully reflect the actual circumstances, and may contain inaccuracies.
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