Leader Patent & Trademark Firm
Public patent records for Leader Patent & Trademark Firm, 1980–2025: 1,883 patent families shared with other firms for 134 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
- 1,883
- 1980–2025. One family can be counted more than once.
- Activity 2016–2020
- 739
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 134
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 4
Activity trend (2017–2026)
- Scope
- Leader Patent & Trademark 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 | 123 |
| 2018 | 119 |
| 2019 | 144 |
| 2020 | 262 |
| 2021 · preliminary | 278 |
| 2022 · preliminary | 318 |
| 2023 · preliminary | 203 |
| 2024 · preliminary | 198 |
| 2025 · preliminary | 6 |
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 |
|---|---|---|
| Materials for miscellaneous applications, not provided for elsewhereIPC/CPC C09K | 3.6% | 2.8× |
| 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 | 2.2% | 2.7× |
| Vehicles, vehicle fittings, or vehicle parts, not otherwise provided forIPC/CPC B60R | 2.9% | 2.1× |
| Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatusIPC/CPC B01J | 2.9% | 1.9× |
| SeparationIPC/CPC B01D | 2.9% | 1.7× |
Yearly counts for 2018–2022, added up: 5,764 of 11,175 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.
- Beijing DHLZ Intellectual Property Law LLC1,838 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
- SHANGCHENG & PARTNERS1,701 shared patent families
- 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
- Dragon Intellectual Property Law Firm北京银龙知识产权代理有限公司1,558 shared patent families
Compare Leader Patent & Trademark Firm side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Leader Patent & Trademark 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.