Leydig Voit Mayer
Public patent records for Leydig Voit Mayer, 1978–2024: 9,928 patent families shared with other firms for 2,005 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
- 9,928
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 2,877
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 2,005
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 5
Activity trend (2017–2026)
- Scope
- Leydig Voit Mayer · 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 | 884 |
| 2018 | 450 |
| 2019 | 393 |
| 2020 | 315 |
| 2021 · preliminary | 227 |
| 2022 · preliminary | 176 |
| 2023 · preliminary | 27 |
| 2024 · preliminary | 12 |
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 |
|---|---|---|
| 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 | 2.2% | 2.2× |
| Telephonic communicationIPC/CPC H04M | 2.5% | 2.2× |
| Wireless communication networksIPC/CPC H04W | 15.7% | 1.8× |
| Transmission of digital information, e.g. telegraphic communicationIPC/CPC H04L | 16.0% | 1.8× |
| Compositions of macromolecular compoundsIPC/CPC C08L | 3.1% | 1.6× |
Yearly counts for 2018–2022, added up: 2,801 of 3,721 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 United States firms
Yearly counts since 1990, added up. One family can be counted more than once.
- Greenblum Bernstein9,803 shared patent families
- Staas & Halsey9,774 shared patent families
- Fitzpatrick, Cella, Harper & Scinto10,124 shared patent families
- Brinks Hofer Gilson & Lione10,125 shared patent families
- Westerman, Hattori, Daniels & Adrian, LLP10,257 shared patent families
Compare Leydig Voit Mayer side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Leydig Voit Mayer. 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.