Arga Patent Office
弁理士法人アルガ特許事務所
Arga Patent Office is a Japan-based patent law firm with 49 years of recorded international activity (1978–2026). 997 total international patent cases are on record, spanning 4 foreign jurisdictions and 87 distinct corporate applicants. Sign in to open the complete partner network, year-by-year activity, decision-maker analysis, and named client relationships.
- International cases
- 997
- Last 5 years
- 90
- Applicants
- 87
- Flow type
- Incoming-heavy
Sent plus received relationship cases on this firm’s public profile. Can differ from the directory index. As of 2026.
Activity trend (last 10 years)
- Scope
- Arga Patent Office · Japan
- Window
- 2017–2026
- As of
- Recorded activity through 2026
- Unit
- International exchange cases
2026 is a partial year. Latest counts are provisional and should not be compared to a complete year.
View annual counts
| Year | International cases |
|---|---|
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 24 |
| 2020 | 40 |
| 2021 | 44 |
| 2022 | 49 |
| 2023 | 34 |
| 2024 | 6 |
| 2026 · partial | 1 |
Top international partners
Sends cases to
Similar Japan firms
Global firm case index used for directory ranking. Not the same as a profile’s international exchange total.
Locked in the full profile
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Decision-maker split
Firm-chosen vs applicant-chosen foreign counsel, when tagged.
Full partner list
Every observed counterpart, not only the public top five.
Named clients
Applicant relationships behind the exchange counts.