Examiner Virak Nguon
Grant ratio: 69.3% (82nd percentile in Art Unit 1741 among examiners with at least 20 applications). Average office actions per grant: 1.31. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 94675
- Primary art unit
- 1741
- Work group
- 1740
- Technology center
- 1700
- Applications
- 430
- Granted applications
- 298
- Examiner phone
- (571) 272-4196
- Supervisor
- Alison L Hindenlang
- Supervisor phone
- (571) 270-7001
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 28 | 52.0% | 2.01 |
| Group | 211 | 48.8% | 2.05 |
| Tech Center | 1,792 | 44.3% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 2 | 0.5% |
| 1 OA | 320 | 74.4% |
| 2 OAs | 96 | 22.3% |
| 3 OAs | 11 | 2.6% |
| 4 OAs | 0 | 0.0% |
| 5+ OAs | 1 | 0.2% |
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 |
|---|---|---|---|
| 2019 | 18 | 13 | 72.2% |
| 2020 | 75 | 60 | 80.0% |
| 2021 | 69 | 59 | 85.5% |
| 2022 | 48 | 41 | 85.4% |
| 2023 | 64 | 50 | 78.1% |
| 2024 | 66 | 57 | 86.4% |
| 2025 | 50 | 18 | 36.0% |
| 2026 | 40 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 428 | 0.7% | 0.7% | 82.9% | 11.0% |
| Action 2 | 108 | 0.9% | 7.4% | 86.1% | 4.6% |
| Action 3 | 12 | 0.0% | 0.0% | 83.3% | 16.7% |
| Action 4 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 0.0% | 100.0% |
Section 101 rejections
Last 3 years: 2023-08-28–2026-08-28. All years includes every dated office action in the data.
By year
2019: PEG
0.0%
0.0%
0.0%
1.7%
0.0%
2024: AI examples
2.2%
2025: August memo
1.7%
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.