Examiner Carolyn L. Ladd
Grant ratio: 19.4% (28th percentile in Art Unit 1622 among examiners with at least 20 applications). Average office actions per grant: 1.29. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 99461
- Primary art unit
- 1622
- Work group
- 1620
- Technology center
- 1600
- Applications
- 108
- Granted applications
- 21
- Examiner phone
- (703) 756-5313
- Supervisor
- James H. Alstrum-Acevedo
- Supervisor phone
- (571) 272-5548
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 17 | 41.6% | 1.68 |
| Group | 252 | 46.0% | 1.76 |
| 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 | 3 | 2.8% |
| 1 OA | 65 | 60.2% |
| 2 OAs | 26 | 24.1% |
| 3 OAs | 11 | 10.2% |
| 4 OAs | 3 | 2.8% |
| 5+ OAs | 0 | 0.0% |
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 |
|---|---|---|---|
| 2024 | 15 | 5 | 33.3% |
| 2025 | 64 | 16 | 25.0% |
| 2026 | 29 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 105 | 0.0% | 14.3% | 32.4% | 20.0% |
| Action 2 | 40 | 0.0% | 20.0% | 25.0% | 32.5% |
| Action 3 | 14 | 0.0% | 14.3% | 35.7% | 28.6% |
| Action 4 | 3 | 0.0% | 0.0% | 0.0% | 33.3% |
Section 101 rejections
Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
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 Aug. 27, 2026.