Invalidation trial

Article 4(1)(vii), Bad faith, Famous mark, Invalidation, Violation of public order 12/20/2025

JPO Found Trademark Squatter Liable for Disobeying Public Order

In a trademark dispute regarding th…

abbreviation, Article 4(1)(xi), Composite mark, Invalidation, IP High Court, similarity of goods, Similarity of mark, similarity of service 11/22/2025

Japan IP High Court reversed JPO decision regarding similarity between COSME MUSEUM and Cosmetic Museum

On November 17, 2025, the Japan IP …

Article 4(1)(xi), Article 4(1)(xv), Famous mark, Invalidation, IP High Court, Likelihood of confusion, Similarity of mark 11/08/2025

IP High Court ruling: STARBUCKS vs STARBOSS

The Japan IP High Court did not sid…

Article 4(1)(vii), Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Bad faith, Device mark, Famous mark, Invalidation, Likelihood of confusion, Madrid Protocol, similarity of goods, Similarity of mark, Violation of public order 10/11/2025

ALVIERO MARTINI Defeated Over World Map Mark Dispute

The Japan Patent Office (JPO) dismi…

alphabetical name, Article 4(1)(xi), Invalidation, Likelihood of confusion, similarity of goods, Similarity of mark 06/14/2025

JPO found BYOMA and BIYŌMA dissimilar marks

In an invalidation action disputing…

Article 4(1)(vi), Article 4(1)(x), Article 4(1)(xix), Article 4(2), Bad faith, compound mark, Famous mark, Invalidation, IP High Court, Trademark assignment, Violation of public order 04/06/2025

End of the TOKYO 2020 Olympic emblem dispute

On March 12, 2025, the Japan IP Hig…

Article 4(1)(xi), Article 4(1)(xv), Composite mark, Famous mark, Invalidation, Likelihood of confusion, Similarity of mark 02/15/2025

Trademark dispute: SONY vs SONIMART

The Japan Patent Office (JPO) sided…

Article 4(1)(xi), Article 4(1)(xv), Famous mark, Invalidation, Likelihood of confusion, similarity of goods, Similarity of mark 01/11/2025

STARBUCKS Unsuccessful Invalidation Action against Trademark “STARBOSS”

The Japan Patent Office (JPO) dismi…

Accelerated examination, Article 4(1)(xi), composite, Composite mark, compound mark, Distinctiveness, Invalidation, IP High Court, Similarity of mark 12/21/2024

Trademark dispute: UNITED vs UNITED GOLD

In a dispute over the similarity of…

Article 4(1)(vii), Article 4(1)(x), Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Bad faith, composite, Composite mark, compound mark, Device mark, Famous mark, Invalidation, Likelihood of confusion, similarity of goods, Similarity of mark 12/14/2024

Trademark Parody case : Champion vs Nyanpion

On Novem 20, 2024, the Japan Patent…