C&S Patent and Law Office
Public patent records for C&S Patent and Law Office, 1978–2026: 5,888 patent families shared with other firms for 531 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
- 5,888
- 1978–2026. One family can be counted more than once.
- Activity 2016–2020
- 2,285
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 531
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- C&S Patent and Law Office · 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 | 157 |
| 2018 | 299 |
| 2019 | 740 |
| 2020 | 968 |
| 2021 · preliminary | 621 |
| 2022 · preliminary | 544 |
| 2023 · preliminary | 186 |
| 2024 · preliminary | 116 |
| 2025 · preliminary | 2 |
| 2026 · partial year | 4 |
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 |
|---|---|---|
| Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bondsIPC/CPC C08G | 11.8% | 3.6× |
| 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 | 5.4% | 3.0× |
| Coating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials thereforIPC/CPC C09D | 6.3% | 2.4× |
| Wireless communication networksIPC/CPC H04W | 16.6% | 2.0× |
| Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; accessories, closures, or fittings therefor; packaging elements; packagesIPC/CPC B65D | 2.2% | 1.9× |
Yearly counts for 2018–2022, added up: 2,007 of 2,824 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.
- Park Jangwon Patent Law Office박장원특허법률사무소5,953 shared patent families
- Yoon & Lee Patent & Law Firm윤앤리특허법인6,089 shared patent families
- Kim Young-shin Patent & Law Office김영신특허법률사무소6,793 shared patent families
- HANYANG PATENT FIRM4,700 shared patent families
- KBK & Associates4,260 shared patent families
Compare C&S Patent and Law Office side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for C&S Patent and Law Office. 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.