Westerman, Hattori, Daniels & Adrian, LLP
Public patent records for Westerman, Hattori, Daniels & Adrian, LLP, 1978–2024: 10,430 patent families shared with other firms for 2,156 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
- 10,430
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 1,724
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 2,156
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 6
Activity trend (2017–2026)
- Scope
- Westerman, Hattori, Daniels & Adrian, LLP · United States
- Filing years
- 2017–2024
- 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 | 306 |
| 2018 | 347 |
| 2019 | 395 |
| 2020 | 297 |
| 2021 · preliminary | 179 |
| 2022 · preliminary | 129 |
| 2023 · preliminary | 26 |
| 2024 · preliminary | 8 |
Technology fields it focuses on
Fields where this firm's share of patent families is well above the average for United States firms, 2018–2022.
| Field | Share of its families | vs United States average |
|---|---|---|
| Compounds containing metals not covered by subclasses C01D or C01FIPC/CPC C01G | 3.7% | 10.7× |
| Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energyIPC/CPC H01M | 27.3% | 8.1× |
| 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 | 4.4% | 6.5× |
| Optical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein; non-linear optics; frequency-changing of light; optical logic elements; optical analogue/digital convertersIPC/CPC G02F | 5.8% | 4.9× |
| Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bondsIPC/CPC C08F | 4.5% | 4.3× |
Yearly counts for 2018–2022, added up: 1,626 of 3,011 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.
- MERH-IPEP252 shared families
- SHIGA International Patent OfficeJP222 shared families
- Hoffmann EitleEP212 shared families
- ITOH International Patent OfficeJP211 shared families
- Eimei International Patent OfficeJP181 shared families
- Sakai International Patent OfficeJP161 shared families
- More partners in workspace
Similar United States firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Brinks Hofer Gilson & Lione10,125 shared patent families
- Fitzpatrick, Cella, Harper & Scinto10,124 shared patent families
- Leydig Voit Mayer10,042 shared patent families
- Greenblum Bernstein9,803 shared patent families
- Staas & Halsey9,774 shared patent families
Compare Westerman, Hattori, Daniels & Adrian, LLP side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Westerman, Hattori, Daniels & Adrian, LLP. 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.