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Corridor Briefs

TrademarkEUIPOKR-US, KR-JP, KR-EM, KR-CN, US-JP, US-EM, US-CN, JP-EM, JP-CN, and EM-CN

All offices KRKIPO USUSPTO JPJPO EMEUIPO CNCNIPA

Cross-border families · all offices

527,512

Filing corridors

Relationship markets · all offices

KR-US, KR-JP, KR-EM, KR-CN, US-JP, US-EM, US-CN, JP-EM, JP-CN, and EM-CN

Largest filing corridor

US-EM

187,182 families

All available years · Filing dates checked through 2026-09-02

US-EM

Partners

USPTO ↔ EUIPO

Families: 187,182
US → EM: 159,455
EM → US: 27,727

US → EM · 85.2% of observed directionsOpen brief ↗

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Find partner candidatesRank representative pairs in KR-US, KR-JP, KR-EM, KR-CN, US-JP, US-EM, US-CN, JP-EM, JP-CN, and EM-CN.Search familiesReview documents, applicants, representatives, and dates.Review filing trends

KR-EM

Partners

KIPO ↔ EUIPO

Families: 39,427
EM → KR: 33,589
KR → EM: 5,838

EM → KR · 85.2% of observed directionsOpen brief ↗

EM-CN

Partners

EUIPO ↔ CNIPA

Families: 26,540
EM → CN: 22,555
CN → EM: 3,985

EM → CN · 85.0% of observed directionsOpen brief ↗

JP-EM

Partners

JPO ↔ EUIPO

Families: 7,792
JP → EM: 6,354
EM → JP: 1,438

JP → EM · 81.5% of observed directionsOpen brief ↗

Compare filing activity over time.

Corridor Briefs

USEMUS-EM

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KREMKR-EM

EMCNEM-CN

JPEMJP-EM

US-EM

KR-EM

EM-CN

JP-EM