Dragon Intellectual Property Law Firm
北京银龙知识产权代理有限公司
Public patent records for Dragon Intellectual Property Law Firm, 1979–2025: 1,543 patent families shared with other firms for 71 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
- 1,543
- 1979–2025. One family can be counted more than once.
- Activity 2016–2020
- 511
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 71
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 4
Activity trend (2017–2026)
- Scope
- Dragon Intellectual Property Law Firm · China
- 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 | 48 |
| 2018 | 111 |
| 2019 | 123 |
| 2020 | 191 |
| 2021 · preliminary | 194 |
| 2022 · preliminary | 282 |
| 2023 · preliminary | 109 |
| 2024 · preliminary | 94 |
| 2025 · preliminary | 3 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for China firms, 2018–2022.
| Field | Share of its families | vs China average |
|---|---|---|
| Apparatus for conversion between AC and AC, between AC and DC, or between DC and DC, and for use with mains or similar power supply systems; conversion of DC or AC input power into surge output power; control or regulation thereofIPC/CPC H02M | 2.1% | 2.2× |
| Investigating or analysing materials by determining their chemical or physical propertiesIPC/CPC G01N | 8.9% | 2.2× |
| Inorganic electric semiconductor devicesIPC/CPC H10D | 3.0% | 2.1× |
| Generic packages, interconnections, connectors or other constructional details of devices covered by class H10IPC/CPC H10W | 4.2% | 2.0× |
| Arrangements or circuits for control of indicating devices using static means to present variable informationIPC/CPC G09G | 2.4% | 2.0× |
Yearly counts for 2018–2022, added up: 5,283 of 8,927 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 China firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Ming & Sure Intellectual Property Law Firm北京铭硕知识产权代理有限公司1,562 shared patent families
- SHANGCHENG & PARTNERS1,701 shared patent families
- Tee & Howe Intellectual Property Attorneys1,278 shared patent families
- AFD China Intellectual Property Law Office北京安信方达知识产权代理有限公司1,272 shared patent families
- Beijing Kangxin Intellectual Property Agency Co., Ltd.北京康信知识产权代理有限责任公司1,836 shared patent families
Compare Dragon Intellectual Property Law Firm side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Dragon Intellectual Property Law Firm. 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.