Supreme Court of Japan [2025]: Case No. 2023 (Ju) 14 and 15, Case seeking injunction against patent infringement, etc.,
Japan
Back This judgment is a part of the following collection(s): 2026 WIPO Intellectual Property Judges ForumDate of JudgmentMarch 3, 2025Issuing AuthoritySupreme CourtLevel of the Issuing AuthorityFinal InstanceType of ProcedureJudicial (Civil)Subject MatterPatents (Inventions)Plaintiff/AppellantF2C Inc.; Homepage System, IncDefendant/RespondentDWANGO Co., LtdKeywords
Territoriality,
Cross-border infringement
Judgment/DecisionEnglishSupreme Court of Japan [2025]: Case No. 2023 (Ju) 14 and 15, Case seeking injunction against patent infringement, etc. HTMLAdditional DocumentsEnglish2026 WIPO IP Judges Forum Informal Case Summary – Supreme Court of Japan [2025]: Case No. 2023 (Ju) 14 and 15, Case seeking injunction against patent infringement, etc. HTMLRelevant Legislation