Japan Trademark Law

alphabetical name, Article 4(1)(xi), Opposition, similarity of goods, Similarity of mark 06/21/2025

TORNADO vs TORQNADO

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…

alphabetical name, Article 4(1)(xv), Likelihood of confusion, Similarity of mark, similarity of service, Trademark Appeal 06/08/2025

Trademark dispute over MASTER SOMMELIER

The Japan Patent Office (JPO) decid…

alphabetical name, Article 4(1)(xi), Opposition, Similarity of mark, similarity of service 05/31/2025

JPO found “ARIS” dissimilar to “arivis” in trademark opposition

The Japan Patent Office (JPO) dismi…

Article 4(1)(xi), similarity of goods, Similarity of mark, Trademark Appeal 05/24/2025

Trademark dispute: “VOLKA” vs “VOLGA”

The Japan Patent Office (JPO) overt…

Article 4(1)(xi), similarity of goods, Similarity of mark, Trademark Appeal 05/17/2025

Trademark dispute: “MARZY” vs “by MERZY”

The Japan Patent Office (JPO) affir…

Article 4(1)(xi), Composite mark, Device mark, similarity of goods, Similarity of mark, Trademark Appeal 05/10/2025

Similarity of trademark containing a similar star device

In an appeal trial, the Japan Paten…

alphabetical name, Article 4(1)(vii), Article 4(1)(xi), Article 4(1)(xv), Famous mark, Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 05/03/2025

Trademark dispute: MINI vs. DMINI

The Japan Patent Office (JPO) dismi…

Accelerated examination, Article 4(1)(x), Article 4(1)(xix), Article 4(1)(xv), Bad faith, Composite mark, Device mark, Famous mark, Likelihood of confusion, Opposition, Similarity of mark 04/27/2025

Trademark Dispute: Domino’s Pizza vs Dog’s Pizza

In a trademark opposition against T…

alphabetical name, Article 4(1)(xix), Article 4(1)(xv), Bad faith, Composite mark, Famous mark, Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 04/19/2025

HERMES Defeated with Trademark Opposition against KIMONO TWILLY

The Japan Patent Office (JPO) dismi…