Guangzhou Scihead Patent Trademark Agency Co., Ltd.
广州三环专利商标代理有限公司
Public patent records for Guangzhou Scihead Patent Trademark Agency Co., Ltd., 1979–2025: 672 patent families shared with other firms for 65 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
- 672
- 1979–2025. One family can be counted more than once.
- Activity 2016–2020
- 189
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 65
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Guangzhou Scihead Patent Trademark Agency Co., Ltd. · 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 | 22 |
| 2018 | 20 |
| 2019 | 45 |
| 2020 | 87 |
| 2021 · preliminary | 66 |
| 2022 · preliminary | 259 |
| 2023 · preliminary | 59 |
| 2024 · preliminary | 41 |
| 2025 · preliminary | 1 |
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 |
|---|---|---|
| Telephonic communicationIPC/CPC H04M | 4.6% | 6.5× |
| Wireless communication networksIPC/CPC H04W | 25.6% | 3.0× |
| Antennas, i.e. radio aerialsIPC/CPC H01Q | 2.4% | 2.9× |
| Transmission of digital information, e.g. telegraphic communicationIPC/CPC H04L | 22.1% | 2.9× |
| TransmissionIPC/CPC H04B | 7.8% | 2.7× |
Yearly counts for 2018–2022, added up: 2,589 of 3,258 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.
- Shanghai Watson & Band Intellectual Property Agency Co., Ltd.649 shared patent families
- Wu, Feng & Zhang637 shared patent families
- Advance China IP Law Office Co., Ltd.612 shared patent families
- BEIJING HANKUN LAW OFFICES577 shared patent families
- TDIP&PARTNERS560 shared patent families
Compare Guangzhou Scihead Patent Trademark Agency Co., Ltd side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Guangzhou Scihead Patent Trademark Agency Co., Ltd. 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.