Examiner Sang Nguyen
Grant ratio: 79.6% (80th percentile in Art Unit 2871 among examiners with at least 20 applications). Average office actions per grant: 1.70. Most common rejection type: §103.
Appears inactive
Last office action in data: November 2024
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 44 | 58.4% | 1.93 |
| Group | 352 | 60.5% | 1.71 |
| Tech Center | 2,435 | 61.3% | 1.69 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 551 | 51.9% |
| 2 OAs | 314 | 29.6% |
| 3 OAs | 119 | 11.2% |
| 4 OAs | 50 | 4.7% |
| 5+ OAs | 28 | 2.6% |
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 |
|---|---|---|---|
| 2011 | 38 | 24 | 63.2% |
| 2012 | 55 | 43 | 78.2% |
| 2013 | 52 | 36 | 69.2% |
| 2014 | 75 | 49 | 65.3% |
| 2015 | 60 | 43 | 71.7% |
| 2016 | 82 | 60 | 73.2% |
| 2017 | 82 | 59 | 72.0% |
| 2018 | 78 | 63 | 80.8% |
| 2019 | 82 | 64 | 78.0% |
| 2020 | 91 | 75 | 82.4% |
| 2021 | 85 | 73 | 85.9% |
| 2022 | 85 | 72 | 84.7% |
| 2023 | 95 | 90 | 94.7% |
| 2024 | 98 | 91 | 92.9% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 1,062 | 0.1% | 3.6% | 94.3% | 1.4% |
| Action 2 | 511 | 0.0% | 1.2% | 96.9% | 1.8% |
| Action 3 | 197 | 0.0% | 1.0% | 97.5% | 1.0% |
| Action 4 | 78 | 0.0% | 0.0% | 98.7% | 1.3% |
| Action 5 | 28 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 11 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.
By year
0.0%
0.0%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.6%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
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 Oct. 30, 2026.