Examiner Toan Nguyen
Grant ratio: 85.2% (78th percentile in Art Unit 2472 among examiners with at least 20 applications). Average office actions per grant: 1.95. Most common rejection type: §103.
Appears inactive
Last office action in data: May 2017
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 31 | 59.9% | 1.72 |
| 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 | 220 | 50.9% |
| 2 OAs | 112 | 25.9% |
| 3 OAs | 59 | 13.7% |
| 4 OAs | 17 | 3.9% |
| 5+ OAs | 24 | 5.6% |
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 |
|---|---|---|---|
| 2008 | 62 | 50 | 80.6% |
| 2009 | 41 | 35 | 85.4% |
| 2010 | 40 | 35 | 87.5% |
| 2011 | 40 | 34 | 85.0% |
| 2012 | 35 | 27 | 77.1% |
| 2013 | 71 | 64 | 90.1% |
| 2014 | 35 | 31 | 88.6% |
| 2015 | 40 | 34 | 85.0% |
| 2016 | 52 | 45 | 86.5% |
| 2017 | 16 | 13 | 81.3% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 432 | 1.6% | 2.8% | 87.7% | 4.9% |
| Action 2 | 212 | 0.0% | 1.4% | 93.4% | 3.3% |
| Action 3 | 100 | 2.0% | 0.0% | 94.0% | 1.0% |
| Action 4 | 41 | 0.0% | 2.4% | 97.6% | 0.0% |
| Action 5 | 24 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 15 | 6.7% | 0.0% | 93.3% | 0.0% |
| Action 7 | 7 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 10 | 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
0.7%
3.8%
1.2%
3.3%
0.0%
0.0%
2014: Alice
0.0%
1.3%
1.3%
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.