Kyosei International Patent Office
特許業務法人共生国際特許事務所
Kyosei International Patent Office is a Japan-based patent law firm with 37 years of recorded international activity (1990–2026). 2,687 total international patent cases are on record, spanning 4 foreign jurisdictions and 297 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
- 2,687
- Last 5 years
- 258
- Applicants
- 297
- 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
- Morgan Lewis & BockiusUS45 cases
- C&S Patent and Law OfficeKR17 cases
- YOU ME PATENT & LAW FIRMKR17 cases
- Y.P. Lee, Mock & PartnersKR16 cases
- Greer Burns CrainUS14 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 Kyosei International Patent Office.