AJU KIM CHANG LEE
특허법인 아주
Public patent records for AJU KIM CHANG LEE, 1978–2026: 3,636 patent families shared with other firms for 563 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
- 3,636
- 1978–2026. One family can be counted more than once.
- Activity 2016–2020
- 1,359
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 563
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- AJU KIM CHANG LEE · South Korea
- 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 | 175 |
| 2018 | 182 |
| 2019 | 441 |
| 2020 | 466 |
| 2021 · preliminary | 310 |
| 2022 · preliminary | 376 |
| 2023 · preliminary | 236 |
| 2024 · preliminary | 136 |
| 2025 · preliminary | 2 |
| 2026 · partial year | 11 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for South Korea firms, 2018–2022.
| Field | Share of its families | vs South Korea average |
|---|---|---|
| Propulsion of electrically-propelled vehicles; supplying electric power for auxiliary equipment of electrically-propelled vehicles; electrodynamic brake systems for vehicles in general; magnetic suspension or levitation for vehicles; monitoring operating variables of electrically-propelled vehicles; electric safety devices for electrically-propelled vehiclesIPC/CPC B60L | 3.6% | 3.6× |
| Conjoint control of vehicle sub-units of different type or different function; control systems specially adapted for hybrid vehicles; road vehicle drive control systems for purposes not related to the control of a particular sub-unitIPC/CPC B60W | 2.9% | 3.4× |
| Measuring or testing processes involving enzymes, nucleic acids or microorganisms; compositions or test papers therefor; processes of preparing such compositions; condition-responsive control in microbiological or enzymological processesIPC/CPC C12Q | 4.2% | 3.1× |
| Arrangement or mounting of propulsion units or of transmissions in vehicles; arrangement or mounting of plural diverse prime-movers in vehicles; auxiliary drives for vehicles; instrumentation or dashboards for vehicles; arrangements in connection with cooling, air intake, gas exhaust or fuel supply of propulsion units in vehiclesIPC/CPC B60K | 2.2% | 2.8× |
| Filters implantable into blood vessels; prostheses; devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents; orthopaedic, nursing or contraceptive devices; fomentation; treatment or protection of eyes or ears; bandages, dressings or absorbent pads; first-aid kitsIPC/CPC A61F | 2.6% | 2.2× |
Yearly counts for 2018–2022, added up: 1,784 of 2,477 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 South Korea firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Y.S.CHANG & ASSOCIATES3,682 shared patent families
- PanKorea Patent & Law Firm3,534 shared patent families
- Lee Geon-Ju Patent Law Office이건주특허법률사무소3,504 shared patent families
- Koo Young-chang Patent Law Office구영창3,457 shared patent families
- HANSUNG IP3,435 shared patent families
Compare AJU KIM CHANG LEE side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for AJU KIM CHANG LEE. 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.