Examiner Tai Nguyen
Grant ratio: 85.2% (98th percentile in Art Unit 3729 among examiners with at least 20 applications). Average office actions per grant: 1.66. Most common rejection type: §103.
Appears inactive
Last office action in data: April 2012
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 64.1% | 1.77 |
| Group | 314 | 51.5% | 1.76 |
| Tech Center | 2,671 | 48.4% | 2.01 |
| 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 | 147 | 60.5% |
| 2 OAs | 59 | 24.3% |
| 3 OAs | 24 | 9.9% |
| 4 OAs | 7 | 2.9% |
| 5+ OAs | 6 | 2.5% |
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 | 58 | 45 | 77.6% |
| 2009 | 58 | 49 | 84.5% |
| 2010 | 54 | 47 | 87.0% |
| 2011 | 55 | 48 | 87.3% |
| 2012 | 18 | 18 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 243 | 0.4% | 20.6% | 68.3% | 4.1% |
| Action 2 | 96 | 0.0% | 22.9% | 66.7% | 6.3% |
| Action 3 | 37 | 0.0% | 27.0% | 56.8% | 10.8% |
| Action 4 | 13 | 0.0% | 53.8% | 46.2% | 0.0% |
| Action 5 | 6 | 0.0% | 33.3% | 50.0% | 0.0% |
| Action 6 | 2 | 0.0% | 50.0% | 50.0% | 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
0.8%
0.0%
0.0%
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.