IP Judgments Database

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This database provides English translations of selected IP Judgments (full text / extract) and case summaries in Japan.

Key Word

Case Number

※When inputting the case number into the database, convert the Japanese
calendar year (e.g. Heisei 30 nen) to the western calendar year (e.g. 2018).

Date of the judgment



Type of Litigation
Type of Litigation
Type of Right
Type of Right

All of the translations of judgments and summaries on this website are unofficial.
The Intellectual Property High Court of Japan assumes no responsibility for the accuracy of the translations.