HGF
Public patent records for HGF, 1978–2026: 14,275 patent families shared with other firms for 1,908 clients (applicants). Sign in to explore the app’s partner network, selected filing periods, filing activity, and client relationships.
- Patent families shared with other firms
- 14,275
- 1978–2026. One family can be counted more than once.
- Activity 2016–2020
- 3,855
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 1,908
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- HGF · Europe
- Filing years
- 2017–2026
- Unit
- Distinct families per year
2021–2026 are preliminary. Patent filings publish about 18 months after filing, and foreign filings can enter later, so these counts are still filling in.
Each family counts once within a year. A family may recur in multiple years.
View annual counts
| Year | Distinct families per year |
|---|---|
| 2017 | 971 |
| 2018 | 675 |
| 2019 | 659 |
| 2020 | 534 |
| 2021 · preliminary | 568 |
| 2022 · preliminary | 501 |
| 2023 · preliminary | 291 |
| 2024 · preliminary | 53 |
| 2025 · preliminary | 1 |
| 2026 · partial year | 4 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for Europe firms, 2018–2022.
| Field | Share of its families | vs Europe average |
|---|---|---|
| Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; materials therefor; originals therefor; apparatus specially adapted thereforIPC/CPC G03F | 2.1% | 6.1× |
| Heterocyclic compoundsIPC/CPC C07D | 6.6% | 3.0× |
| Telephonic communicationIPC/CPC H04M | 2.8% | 2.9× |
| Specific therapeutic activity of chemical compounds or medicinal preparationsIPC/CPC A61P | 13.4% | 2.4× |
| Preparations for medical, dental or toiletry purposesIPC/CPC A61K | 16.1% | 2.3× |
Yearly counts for 2018–2022, added up: 4,412 of 4,609 families carry an IPC or CPC classification. Shares are of those classified families, and one family can fall in several fields.
Frequently associated firms
Firms that most often appear on the same patent families. One family can be counted more than once, so these are not unique totals.
- Yoon & Lee Patent & Law FirmKR425 shared families
- Lee & Kwon Law Patent OfficeKR313 shared families
- Lee Geon-Ju Patent Law OfficeKR278 shared families
- Jefferson IP LawUS159 shared families
- The Farrell Law Firm, P.C.US106 shared families
- SHIGA International Patent OfficeJP103 shared families
- More partners in workspace
Similar Europe firms
Yearly counts since 1990, added up. One family can be counted more than once.
- TBK14,327 shared patent families
- Boult Wade Tennant13,501 shared patent families
- Wuesthoff & Wuesthoff13,412 shared patent families
- J A Kemp13,142 shared patent families
- Mewburn Ellis LLP13,024 shared patent families
Compare HGF side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for HGF. App counts follow the filing years and corridors you choose, so they can differ from this public profile.
Filing activity
Recorded patent families across the filing years you choose.
Full partner list
Every observed counterpart for the filing period you choose.
Named clients
Applicant relationships behind the exchange counts.