Examiner Katherine Ann Holtzman
Grant ratio: 22.1% (17th percentile in Art Unit 1646 among examiners with at least 20 applications). Average office actions per grant: 1.86. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 98337
- Primary art unit
- 1646
- Work group
- 1640
- Technology center
- 1600
- Applications
- 95
- Granted applications
- 21
- Examiner phone
- (571) 270-0252
- Supervisor
- Janet Epps-Smith
- Supervisor phone
- (571) 272-0757
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 41.9% | 1.89 |
| Group | 222 | 43.5% | 1.94 |
| Tech Center | 1,373 | 38.0% | 2.02 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 15 | 15.8% |
| 1 OA | 36 | 37.9% |
| 2 OAs | 18 | 18.9% |
| 3 OAs | 15 | 15.8% |
| 4 OAs | 4 | 4.2% |
| 5+ OAs | 7 | 7.4% |
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 |
|---|---|---|---|
| 2023 | 3 | 0 | 0.0% |
| 2024 | 22 | 13 | 59.1% |
| 2025 | 37 | 8 | 21.6% |
| 2026 | 33 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 80 | 1.3% | 11.3% | 20.0% | 11.3% |
| Action 2 | 44 | 4.5% | 4.5% | 54.5% | 11.4% |
| Action 3 | 26 | 3.8% | 3.8% | 50.0% | 15.4% |
| Action 4 | 11 | 9.1% | 9.1% | 27.3% | 18.2% |
| Action 5 | 7 | 0.0% | 0.0% | 85.7% | 0.0% |
| Action 6 | 4 | 0.0% | 0.0% | 50.0% | 25.0% |
| Action 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
0.0%
2024: AI examples
3.4%
2025: August memo
2.9%
2.9%
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 Aug. 27, 2026.