K&L Gates
Ｋ＆Ｌ Ｇａｔｅｓ外国法共同事業法律事務所
Public patent records for K&L Gates, 1978–2025: 2,129 patent families shared with other firms for 220 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
- 2,129
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 577
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 220
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 3
Activity trend (2017–2026)
- Scope
- K&L Gates · Japan
- Filing years
- 2017–2025
- 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 | 86 |
| 2018 | 87 |
| 2019 | 143 |
| 2020 | 165 |
| 2021 · preliminary | 95 |
| 2022 · preliminary | 82 |
| 2023 · preliminary | 17 |
| 2024 · preliminary | 8 |
| 2025 · preliminary | 1 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for Japan firms, 2018–2022.
| Field | Share of its families | vs Japan average |
|---|---|---|
| Preservation of bodies of humans or animals or plants or parts thereof; biocides, e.g. as disinfectants, as pesticides or as herbicides; pest repellants or attractants; plant growth regulatorsIPC/CPC A01N | 11.8% | 13.3× |
| Specific use of cosmetics or similar toiletry preparationsIPC/CPC A61Q | 10.7% | 7.1× |
| Apparatus or arrangements for taking photographs or for projecting or viewing them; apparatus or arrangements employing analogous techniques using waves other than optical waves; accessories thereforIPC/CPC G03B | 4.9% | 5.7× |
| Heterocyclic compoundsIPC/CPC C07D | 16.2% | 3.9× |
| Dynamo-electric machinesIPC/CPC H02K | 3.4% | 3.0× |
Yearly counts for 2018–2022, added up: 1,048 of 1,285 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.
Similar Japan firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Po Reru Tokkyo Gyomu Hojin2,148 shared patent families
- Tsukuni Patent Attorneys特許業務法人 津国2,163 shared patent families
- Nagoya International Patent Firm名古屋国際特許業務法人2,188 shared patent families
- Cycks Patent Firm特許業務法人特許事務所サイクス2,034 shared patent families
- 勝沼国際特許事務所2,225 shared patent families
Compare K&L Gates side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for K&L Gates. 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.