Openshaw & Co.
Public patent records for Openshaw & Co., 1978–2025: 2,511 patent families shared with other firms for 99 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
- 2,511
- 1978–2025. One family can be counted more than once.
- Activity 2016–2020
- 1,398
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 99
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 3
Activity trend (2017–2026)
- Scope
- Openshaw & Co. · Europe
- 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 | 404 |
| 2018 | 296 |
| 2019 | 212 |
| 2020 | 203 |
| 2021 · preliminary | 123 |
| 2022 · preliminary | 196 |
| 2023 · preliminary | 93 |
| 2024 · preliminary | 97 |
| 2025 · preliminary | 4 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for Europe firms, 2018–2022.
| Field | Share of its families | vs Europe average |
|---|---|---|
| Wireless communication networksIPC/CPC H04W | 47.8% | 4.6× |
| Transmission of digital information, e.g. telegraphic communicationIPC/CPC H04L | 34.2% | 3.5× |
| TransmissionIPC/CPC H04B | 11.3% | 3.3× |
| Dynamo-electric machinesIPC/CPC H02K | 2.5% | 2.4× |
Yearly counts for 2018–2022, added up: 1,865 of 1,942 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 Europe firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Eisenfuhr Speiser2,521 shared patent families
- Patent- und Rechtsanwälte PartmbB2,526 shared patent families
- Uexküll & Stolberg2,526 shared patent families
- BOVARD AG2,570 shared patent families
- Eisenführ Speiser2,671 shared patent families
Compare Openshaw & Co side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Openshaw & Co. 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.