Examiner Anh-Khoa N. Dinh
Grant ratio: 69.6% (85th percentile in Art Unit 3792 among examiners with at least 20 applications). Average office actions per grant: 1.77. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 95207
- Primary art unit
- 3792
- Work group
- 3790
- Technology center
- 3700
- Applications
- 303
- Granted applications
- 211
- Examiner phone
- (571) 272-7041
- Supervisor
- Carl Layno
- Supervisor phone
- (571) 272-4949
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 52 | 39.5% | 2.30 |
| Group | 334 | 38.9% | 2.25 |
| Tech Center | 2,671 | 48.4% | 2.01 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 4 | 1.3% |
| 1 OA | 144 | 47.5% |
| 2 OAs | 96 | 31.7% |
| 3 OAs | 37 | 12.2% |
| 4 OAs | 16 | 5.3% |
| 5+ OAs | 6 | 2.0% |
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 |
|---|---|---|---|
| 2020 | 18 | 16 | 88.9% |
| 2021 | 63 | 60 | 95.2% |
| 2022 | 49 | 48 | 98.0% |
| 2023 | 39 | 36 | 92.3% |
| 2024 | 33 | 26 | 78.8% |
| 2025 | 57 | 25 | 43.9% |
| 2026 | 44 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 299 | 3.0% | 9.7% | 75.3% | 8.0% |
| Action 2 | 155 | 7.7% | 5.8% | 83.2% | 2.6% |
| Action 3 | 59 | 13.6% | 1.7% | 81.4% | 1.7% |
| Action 4 | 22 | 4.5% | 4.5% | 81.8% | 4.5% |
| Action 5 | 6 | 0.0% | 16.7% | 83.3% | 0.0% |
| Action 6 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 2 | 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
1.5%
0.0%
0.0%
4.2%
2024: AI examples
9.3%
2025: August memo
8.1%
18.9%
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.