ITOH International Patent Office
弁理士法人ＩＴＯＨ (届出番号:G0458)
ITOH International Patent Office is a Japan-based patent law firm with 37 years of recorded international activity (1990–2026). 25,242 total international patent cases are on record, spanning 4 foreign jurisdictions and 5,134 distinct corporate applicants. This public snapshot is drawn from FlowIP's IP5 patent exchange dataset; full partner lists, time series, and decision-maker analysis are available to signed-in users.
- Total cases
- 25,242
- Last 5 years
- 2,833
- Applicants
- 5,134
- Flow type
- Incoming-heavy
Applicant count reflects distinct corporate clients represented in outgoing filings.
Activity trend (last 10 years)
Top international partners
Similar Japan firms
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This public profile shows the top 5 partners, summary trend, and aggregate applicant count. Sign in to see the complete partner list, year-by-year breakdown, decision-maker analysis (firm vs client-driven), and named top applicants for ITOH International Patent Office.