Hanabusa Patent & Trademark Office
弁理士法人はなぶさ特許商標事務所
Hanabusa Patent & Trademark Office is a Japan-based patent law firm with 35 years of recorded international activity (1990–2024). 1,096 total international patent cases are on record, spanning 4 foreign jurisdictions and 177 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
- 1,096
- Last 5 years
- 65
- Applicants
- 177
- Flow type
- Incoming-heavy
Applicant count reflects distinct corporate clients represented in outgoing filings.
Activity trend (last 10 years)
Top international partners
Sends cases to
- Oliff PLCUS30 cases
- C&S Patent and Law OfficeKR19 cases
- BEIJING ZHONGZI LAW OFFICECN12 cases
- HANYANG PATENT FIRMKR9 cases
- MERH-IPEP8 cases
Similar Japan firms
See the full picture
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 Hanabusa Patent & Trademark Office.