Likelihood of confusion

Article 4(1)(vii), Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Composite mark, compound mark, Famous mark, Likelihood of confusion, Opposition, Similarity of mark 06/05/2026

Trademark Dispute: PINGU vs pingu・pongu

In a recent opposition decision, th…

Article 4(1)(xi), Article 4(1)(xv), Famous mark, Likelihood of confusion, Opposition, Similarity of mark 05/01/2026

ARC’TERYX Unsuccessful Trademark Opposition against “Arcsilk”

The Japan Patent Office (JPO) dismi…

Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Bad faith, Device mark, Famous mark, Likelihood of confusion, Opposition, Similarity of mark 04/18/2026

JPO Decision: No Likelihood of Confusion with Lacoste Crocodile Logo

In a trademark dispute arguing simi…

Article 4(1)(vii), Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Bad faith, Composite mark, compound mark, Device mark, Famous mark, Likelihood of confusion, Opposition, Similarity of mark, Violation of public order 04/04/2026

Trademark Dispute: RUBIK CUBE vs RUBiK Pi

The Japan Patent Office (JPO) dismi…

Article 4(1)(xi), Composite mark, compound mark, Likelihood of confusion, Refusal appeal, Similarity of mark, Trademark Appeal 03/07/2026

Two words arranged in two lines with different fonts are considered in their entirety, the JPO says

The Japan Patent Office (JPO) rever…

Article 4(1)(xi), Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 02/21/2026

ALCOTT Unsuccessful in Trademark Opposition against ACLOTT

In a trademark dispute regarding si…

Article 4(1)(xi), Composite mark, compound mark, Famous mark, Likelihood of confusion, Refusal appeal, Similarity of mark, Trademark Appeal 01/24/2026

Ziploc Ribbon, Ziploc, or Ribbon?

In an appeal concerning the similar…

Color marks, Famous mark, Invalidation, IP High Court, Likelihood of confusion, New Trademark Law, Non-Traditional trademark, Non-use cancellation, Opposition, Similarity of mark, Three dimensional mark, Tokyo district court, trademark infringement 12/27/2025

Top 10 Trademark News in Japan, 2025

As the year 2025 comes to an end, i…

Article 4(1)(vii), Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Bad faith, Composite mark, Famous mark, Likelihood of confusion, Opposition, Similarity of mark 12/13/2025

Samsung Unsuccessful in Trademark Opposition against BEAT GALAXY

The Japan Patent Office (JPO) did n…

Article 4(1)(xi), Article 4(1)(xv), Composite mark, Famous mark, Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 11/15/2025

Trademark dispute: SUNRISE vs KILLER SUNRISE

In a recent trademark dispute betwe…