Birch, Stewart, Kolasch & Birch, LLP

US · Observed counsel organization. Names on filings are recorded representatives; this profile is the organization those filings currently resolve to. Current office affiliations are unverified and are not shown as confirmed membership.

Find counterpart candidates View scoped families View yearly trends

US-JP · Published partner market · All available years · Filing dates checked through 2026-09-02 · Observed from shared trademark families

US-JP families

107

Observed corridors

1

Counterpart candidates

48

Largest corridor

US-JP

107 families

Outbound share

7%

8 families left through this firm, 99 arrived at it.Outbound families needed counsel abroad. Observed flow, not an agreement about who chose that counsel.

Top Nice class

23

Yarn · 72 of 107 classified

Exchange

99 received8 sent

Observed two-way · not a reciprocity score

Scope: US · US-JP
Window: All available years
Unit: Observed families

People

People data not available yet

Observed counterparts

01Seiwa Patent & Law Office TokyoJP242 received · 321 sent
02TMI Associates Osaka OfficeJP1,345 received · 266 sent
03ASAHI & MASUDA PATENT & TRADEMARK ATTORNEYSJP2 received · 2 sent
04Ishida & AssociatesJP0 received · 10 sent
05MIRAI PATENT ATTORNEYSJP0 received · 3 sent

Scope: US · US-JP
Window: All available years
As of: Observed trademark families
Unit: Observed families

Compare observed counterparts next

Open Compare with this organization as the observed reference. Trademark comparison uses two-way / one-way family counts only — no reciprocity score or Decision Maker.

Compare

Continue your analysis

Find counterpart candidates Review exact families Back to representative firms