Examiner Minh Dieu Nguyen
Grant ratio: 85.0% (99th percentile in Art Unit 3992 among examiners with at least 20 applications). Average office actions per grant: 1.93. Most common rejection type: §103.
Appears inactive
Last office action in data: December 2024
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 38 | 48.2% | 2.52 |
| Group | 72 | 55.8% | 2.28 |
| Tech Center | 70 | 55.4% | 2.30 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 105 | 51.0% |
| 2 OAs | 56 | 27.2% |
| 3 OAs | 22 | 10.7% |
| 4 OAs | 13 | 6.3% |
| 5+ OAs | 10 | 4.9% |
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 |
|---|---|---|---|
| 2008 | 32 | 28 | 87.5% |
| 2009 | 30 | 21 | 70.0% |
| 2010 | 9 | 7 | 77.8% |
| 2015 | 11 | 8 | 72.7% |
| 2016 | 6 | 3 | 50.0% |
| 2017 | 12 | 12 | 100.0% |
| 2018 | 21 | 17 | 81.0% |
| 2019 | 8 | 7 | 87.5% |
| 2020 | 20 | 18 | 90.0% |
| 2021 | 13 | 13 | 100.0% |
| 2022 | 11 | 11 | 100.0% |
| 2023 | 18 | 17 | 94.4% |
| 2024 | 15 | 13 | 86.7% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 206 | 9.2% | 4.9% | 56.8% | 7.8% |
| Action 2 | 101 | 7.9% | 1.0% | 47.5% | 6.9% |
| Action 3 | 45 | 6.7% | 4.4% | 55.6% | 4.4% |
| Action 4 | 23 | 0.0% | 0.0% | 43.5% | 13.0% |
| Action 5 | 10 | 0.0% | 10.0% | 10.0% | 0.0% |
| Action 6 | 5 | 20.0% | 0.0% | 60.0% | 0.0% |
| Action 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
4.3%
9.3%
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
10.0%
27.6%
17.2%
2.6%
2019: PEG
6.3%
5.1%
0.0%
4.8%
7.1%
2024: AI examples
9.5%
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. 9, 2026.