Examiner Hien Nguyen
Grant ratio: 91.9% (80th percentile in Art Unit 2824 among examiners with at least 20 applications). Average office actions per grant: 1.17. Most common rejection type: §102.
Potentially inactive
Last office action in data: June 2026
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 28 | 76.9% | 1.45 |
| Group | 207 | 71.2% | 1.64 |
| Tech Center | 2,413 | 62.4% | 1.69 |
| 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 | 551 | 85.0% |
| 2 OAs | 82 | 12.7% |
| 3 OAs | 12 | 1.9% |
| 4 OAs | 3 | 0.5% |
| 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 |
|---|---|---|---|
| 2008 | 24 | 24 | 100.0% |
| 2009 | 44 | 44 | 100.0% |
| 2010 | 50 | 46 | 92.0% |
| 2011 | 52 | 48 | 92.3% |
| 2012 | 36 | 35 | 97.2% |
| 2013 | 56 | 52 | 92.9% |
| 2014 | 24 | 24 | 100.0% |
| 2015 | 25 | 24 | 96.0% |
| 2016 | 20 | 19 | 95.0% |
| 2017 | 46 | 43 | 93.5% |
| 2018 | 50 | 49 | 98.0% |
| 2019 | 30 | 30 | 100.0% |
| 2020 | 38 | 38 | 100.0% |
| 2021 | 26 | 25 | 96.2% |
| 2022 | 28 | 27 | 96.4% |
| 2023 | 20 | 20 | 100.0% |
| 2024 | 33 | 32 | 97.0% |
| 2025 | 21 | 9 | 42.9% |
| 2026 | 18 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 648 | 3.4% | 29.5% | 23.3% | 2.3% |
| Action 2 | 97 | 0.0% | 20.6% | 32.0% | 5.2% |
| Action 3 | 15 | 0.0% | 33.3% | 53.3% | 0.0% |
| Action 4 | 3 | 0.0% | 33.3% | 66.7% | 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
6.7%
5.9%
0.0%
0.0%
4.4%
8.6%
2014: Alice
3.4%
10.7%
5.9%
1.8%
1.9%
2019: PEG
0.0%
0.0%
0.0%
3.4%
0.0%
2024: AI examples
2.9%
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.