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The Intellectual Property database provides English translations of selected IP Judgements (full text/ extract) and case summaries in Japan from the first instance to the final instance.

Usage

Key Word: Keyword

Court

Case Number

Year

Code

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).

Code

Code

(Gyo-Ke)
The first instance of administrative litigation in high court

(Gyo-U)
The first instance of administrative litigation in district court

(Gyo-Ko)
Appeal from district court in administrative litigation

(Ne)
Appeal from district court in civil litigation.

(Ra)
Interlocutory appeal from district court

(Wa)
The first instance of civil litigation in district court

(Yo)
Civil provisional remedy case in district court

Date of the Judgment: Date of the Judgment

Year

Month

Day

from
From

Year

Month

Day

to
To

Year

Month

Day

Type of Litigation: Type of Litigation
Administrative Litigation

Civil Litigation

Preliminary Injunction

Other

Type of Right: Type of Right
Patent

Utility Model

Design

Trademark

Copyright

Unfair Competition

Other

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.

1～30Record(s) / Total:1073

Court: Supreme Court Case number: 2025(Ju)356 Date of the judgment (decision): 2026.04.24 Type of Litigation: Civil Litigation Type of Right: Unfair Competition	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10023 Date of the judgment (decision): 2026.04.16 Type of Litigation: Administrative Litigation Type of Right: Patent	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10043 Date of the judgment (decision): 2026.03.26 Type of Litigation: Administrative Litigation Type of Right: Patent	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10019 Date of the judgment (decision): 2026.03.24 Type of Litigation: Administrative Litigation Type of Right: Patent	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10037 Date of the judgment (decision): 2026.02.18 Type of Litigation: Administrative Litigation Type of Right: Patent	PDF
Court: Intellectual Property High Court Case number: 2025(Ne)10055 Date of the judgment (decision): 2026.01.26 Type of Litigation: Civil Litigation Type of Right: Unfair Competition	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10039 Date of the judgment (decision): 2026.01.15 Type of Litigation: Administrative Litigation Type of Right: Patent	PDF
Court: Tokyo District Court Case number: 2023(Wa)70402 Date of the judgment (decision): 2025.12.25 Type of Litigation: Civil Litigation Type of Right: Patent	PDF
Court: Tokyo District Court Case number: 2024(Wa)14955 Date of the judgment (decision): 2025.12.25 Type of Litigation: Civil Litigation Type of Right: Copyright	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10079 Date of the judgment (decision): 2025.12.23 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10067 Date of the judgment (decision): 2025.12.23 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10066 Date of the judgment (decision): 2025.12.23 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Osaka District Court Case number: 2024(Wa)7055 Date of the judgment (decision): 2025.12.22 Type of Litigation: Civil Litigation Type of Right: Patent	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10070 Date of the judgment (decision): 2025.12.17 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Tokyo District Court Case number: 2024(Wa)70064 Date of the judgment (decision): 2025.12.17 Type of Litigation: Civil Litigation Type of Right: Patent	PDF
Court: Osaka District Court Case number: 2024(Wa)12861 Date of the judgment (decision): 2025.12.11 Type of Litigation: Civil Litigation Type of Right: Unfair Competition	PDF
Court: Intellectual Property High Court Case number: 2024(Gyo-Ke)10056 Date of the judgment (decision): 2025.12.01 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Osaka District Court Case number: 2025(Wa)389 Date of the judgment (decision): 2025.11.20 Type of Litigation: Civil Litigation Type of Right: Copyright	PDF
Court: Tokyo District Court Case number: 2022(Wa)2388 Date of the judgment (decision): 2025.11.19 Type of Litigation: Civil Litigation Type of Right: Copyright	PDF
Court: Intellectual Property High Court Case number: 2024(Gyo-Ke)10104 Date of the judgment (decision): 2025.11.17 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Osaka District Court Case number: 2024(Wa)10842 Date of the judgment (decision): 2025.11.13 Type of Litigation: Civil Litigation Type of Right: Unfair Competition	PDF
Court: Intellectual Property High Court Case number: 2025(Ne)10044 Date of the judgment (decision): 2025.11.06 Type of Litigation: Civil Litigation Type of Right: Copyright	PDF
Court: Osaka District Court Case number: 2024(Wa)1008 Date of the judgment (decision): 2025.11.06 Type of Litigation: Civil Litigation Type of Right: Patent	PDF
Court: Osaka District Court Case number: 2024(Wa)9061 Date of the judgment (decision): 2025.11.06 Type of Litigation: Civil Litigation Type of Right: Patent	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10038 Date of the judgment (decision): 2025.10.30 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Intellectual Property High Court Case number: 2025(Gyo-Ke)10050 Date of the judgment (decision): 2025.10.30 Type of Litigation: Administrative Litigation Type of Right: Trademark	PDF
Court: Tokyo District Court Case number: 2025(Wa)70014 Date of the judgment (decision): 2025.10.30 Type of Litigation: Civil Litigation Type of Right: Copyright	PDF
Court: Tokyo District Court Case number: 2025(Wa)70419 Date of the judgment (decision): 2025.10.30 Type of Litigation: Civil Litigation Type of Right: Copyright	PDF
Court: Osaka District Court Case number: 2024(Wa)13384 Date of the judgment (decision): 2025.10.30 Type of Litigation: Civil Litigation Type of Right: Trademark	PDF
Court: Osaka District Court Case number: 2024(Wa)4369 Date of the judgment (decision): 2025.10.27 Type of Litigation: Civil Litigation Type of Right: Trademark	PDF

1～30Record(s) / Total:1073

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Usage

1) Entry items of the database

"Keyword"

"Court"

"Case Number"

"Date of the Judgment"

"Type of litigation"

"Type of Right"

2) Search result

Code