Japan Trademark Law

Article 4(1)(xi), Composite mark, Opposition, Similarity of mark 09/27/2025

Trademark Dispute: FLOW3D vs Flow360

In a trademark dispute over the sim…

Article 4(1)(xi), Composite mark, similarity of goods, Similarity of mark, Trademark Appeal 09/20/2025

JPO decision: Gem Queen is Not Confusable with QUEEN for gems

The Japan Patent Office (JPO) disaf…

Article 4(1)(xi), Composite mark, Similarity of mark, Trademark Appeal 09/13/2025

SAINT-CLAIR BY JOSEPH DUCLOS vs Saint Clair

The Japan Patent Office (JPO) overt…

Acquired distinctiveness, Article 3(1)(vi), Device mark, Distinctiveness, Madrid Protocol 09/06/2025

JPO Found Tissa Fontaneda’s Bubble Pattern Descriptive of Bags

The Japan Patent Office (JPO) susta…

Article 4(1)(xi), Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 08/30/2025

JPO Decision: KATSEYE is Dissimilar to CAT’S EYE for Watches

The Japan Patent Office (JPO) dismi…

Article 4(1)(vii), Article 4(1)(x), Article 4(1)(xi), Article 4(1)(xix), Article 4(1)(xv), Bad faith, Famous mark, Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 08/23/2025

JPO dismisses Honda’s opposition against “WONKEY” mark for motorcycles

The Japan Patent Office (JPO) dismi…

Article 4(1)(xi), similarity of goods, Similarity of mark, similarity of service, Trademark Appeal 08/16/2025

JPO found STINGER dissimilar to Stingers for clothing and sports event

In an administrative appeal, the Ap…

Acquired distinctiveness, Article 3(1)(iii), Article 3(2), Famous mark, Three dimensional mark, Trade dress 08/09/2025

JPO Grants TM Registration for 3D Shape of the Popular Pocky Cookie

On July 25, 2025, the Japan Patent …

Article 4(1)(xi), compound mark, Similarity of mark, similarity of service, Trademark Appeal 08/02/2025

JPO Found “TRITON” dissimilar to “Toriton, Inc.”

In an administrative appeal, the Ja…

alphabetical name, Article 4(1)(xi), Article 4(1)(xv), Famous mark, Likelihood of confusion, Opposition, similarity of goods, Similarity of mark 07/26/2025

UNDER ARMOUR Unsuccessful Challenge in Trademark Opposition against AROUMRIN

The Japan Patent Office (JPO) dismi…