Examiner Minh-Trang Nguyen
Grant ratio: 84.3% (93rd percentile in Art Unit 2477 among examiners with at least 20 applications). Average office actions per grant: 1.49. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 84958
- Primary art unit
- 2477
- Work group
- 2470
- Technology center
- 2400
- Applications
- 915
- Granted applications
- 771
- Examiner phone
- (571) 270-5248
- Supervisor
- Chirag C Shah
- Supervisor phone
- (571) 272-3144
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 21 | 66.5% | 2.23 |
| Group | 202 | 63.7% | 1.93 |
| Tech Center | 1,754 | 58.4% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 659 | 72.0% |
| 2 OAs | 149 | 16.3% |
| 3 OAs | 58 | 6.3% |
| 4 OAs | 29 | 3.2% |
| 5+ OAs | 20 | 2.2% |
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 |
|---|---|---|---|
| 2008 | 14 | 7 | 50.0% |
| 2009 | 39 | 30 | 76.9% |
| 2010 | 41 | 37 | 90.2% |
| 2011 | 48 | 36 | 75.0% |
| 2012 | 54 | 50 | 92.6% |
| 2013 | 64 | 57 | 89.1% |
| 2014 | 49 | 45 | 91.8% |
| 2015 | 49 | 45 | 91.8% |
| 2016 | 47 | 45 | 95.7% |
| 2017 | 54 | 48 | 88.9% |
| 2018 | 61 | 55 | 90.2% |
| 2019 | 45 | 44 | 97.8% |
| 2020 | 56 | 53 | 94.6% |
| 2021 | 50 | 45 | 90.0% |
| 2022 | 58 | 55 | 94.8% |
| 2023 | 48 | 46 | 95.8% |
| 2024 | 55 | 48 | 87.3% |
| 2025 | 50 | 25 | 50.0% |
| 2026 | 33 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 915 | 1.5% | 28.2% | 55.7% | 1.4% |
| Action 2 | 256 | 1.6% | 22.7% | 68.4% | 1.6% |
| Action 3 | 107 | 0.0% | 15.0% | 81.3% | 0.9% |
| Action 4 | 49 | 0.0% | 26.5% | 69.4% | 0.0% |
| Action 5 | 20 | 5.0% | 10.0% | 80.0% | 5.0% |
| Action 6 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 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% | 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
7.0%
1.9%
2.2%
1.0%
0.9%
0.9%
2014: Alice
0.0%
0.0%
5.6%
0.0%
1.4%
2019: PEG
1.6%
2.6%
0.0%
0.0%
0.0%
2024: AI examples
1.7%
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.