Christensen O'Connor Johnson
Public patent records for Christensen O'Connor Johnson, 1978–2024: 2,775 patent families shared with other firms for 921 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
- 2,775
- 1978–2024. One family can be counted more than once.
- Activity 2016–2020
- 1,071
- Distinct families per year, summed over the last five complete years. 2021 onward is still being published.
- Clients (applicants)
- 921
- Applicants named on these families, all recorded years. Not a full client list.
- Firms shown below
- 4
Activity trend (2017–2026)
- Scope
- Christensen O'Connor Johnson · 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 | 289 |
| 2018 | 198 |
| 2019 | 177 |
| 2020 | 134 |
| 2021 · preliminary | 115 |
| 2022 · preliminary | 89 |
| 2023 · preliminary | 28 |
| 2024 · preliminary | 9 |
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 |
|---|---|---|
| Preparations for medical, dental or toiletry purposesIPC/CPC A61K | 8.9% | 1.6× |
| Specific therapeutic activity of chemical compounds or medicinal preparationsIPC/CPC A61P | 6.8% | 1.6× |
Yearly counts for 2018–2022, added up: 660 of 906 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.
- Millen White Zelano & Branigan2,757 shared patent families
- Fletcher Yoder2,805 shared patent families
- Sheridan Ross2,817 shared patent families
- Holtz, Holtz & Volek PC2,821 shared patent families
- Browdy and Neimark2,825 shared patent families
Compare Christensen O'Connor Johnson side by side with
Explore the workspace profile
Open the app’s partner network, filing-year filters, and filing activity for Christensen O'Connor Johnson. 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.