Examiner Catherine Posthauer
Grant ratio: 96.7% (69th percentile in Art Unit 2919 among examiners with at least 20 applications). Average office actions per grant: 1.27. Most common rejection type: §112.
Recently active
Last office action in data: October 2026
Examiner record
- Examiner ID
- 91577
- Primary art unit
- 2919
- Work group
- 2910
- Technology center
- 2900
- Applications
- 658
- Granted applications
- 636
- Examiner phone
- (571) 270-0233
- Supervisor
- Thomas Johannes
- Supervisor phone
- (571) 272-7576
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 24 | 93.8% | 1.25 |
| Group | 24 | 93.8% | 1.25 |
| Tech Center | 486 | 94.2% | 1.20 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 3 | 0.5% |
| 1 OA | 500 | 76.0% |
| 2 OAs | 137 | 20.8% |
| 3 OAs | 12 | 1.8% |
| 4 OAs | 4 | 0.6% |
| 5+ OAs | 2 | 0.3% |
Each application is counted once. “5+” includes all higher counts.
Grant history
Recent ratios may be lower while applications remain pending.
Yearly counts
| Year | Applications | Grants | Grant rate |
|---|---|---|---|
| 2014 | 11 | 11 | 100.0% |
| 2015 | 58 | 57 | 98.3% |
| 2016 | 65 | 64 | 98.5% |
| 2017 | 72 | 71 | 98.6% |
| 2018 | 74 | 73 | 98.6% |
| 2019 | 63 | 62 | 98.4% |
| 2020 | 93 | 92 | 98.9% |
| 2021 | 49 | 48 | 98.0% |
| 2022 | 80 | 77 | 96.3% |
| 2023 | 57 | 54 | 94.7% |
| 2024 | 26 | 24 | 92.3% |
| 2025 | 6 | 3 | 50.0% |
| 2026 | 4 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 655 | 0.0% | 1.1% | 2.3% | 90.2% |
| Action 2 | 155 | 0.0% | 1.9% | 0.6% | 86.5% |
| Action 3 | 18 | 0.0% | 0.0% | 0.0% | 88.9% |
| Action 4 | 6 | 0.0% | 16.7% | 0.0% | 83.3% |
| Action 5 | 2 | 0.0% | 0.0% | 0.0% | 100.0% |
Section 101 rejections
Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.
By year
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
0.0%
0.0%
Each bar is the percentage of office actions with a §101 rejection.
PTAB appeals
No PTAB decisions could be matched to this examiner.
Older and transferred applications may not have a reliable examiner match. Data through Oct. 30, 2026.