Examiner David Nhu
Grant ratio: 96.4% (98th percentile in Art Unit 2895 among examiners with at least 20 applications). Average office actions per grant: 1.10. Most common rejection type: §102.
Appears inactive
Last office action in data: August 2016
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 27 | 71.8% | 1.56 |
| Group | 297 | 52.1% | 1.76 |
| 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 | 303 | 91.5% |
| 2 OAs | 23 | 6.9% |
| 3 OAs | 4 | 1.2% |
| 4 OAs | 1 | 0.3% |
| 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 | 10 | 10 | 100.0% |
| 2009 | 3 | 3 | 100.0% |
| 2010 | 2 | 2 | 100.0% |
| 2011 | 38 | 36 | 94.7% |
| 2012 | 58 | 54 | 93.1% |
| 2013 | 48 | 47 | 97.9% |
| 2014 | 52 | 50 | 96.2% |
| 2015 | 68 | 67 | 98.5% |
| 2016 | 52 | 50 | 96.2% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 331 | 0.0% | 59.2% | 11.5% | 0.3% |
| Action 2 | 28 | 0.0% | 46.4% | 42.9% | 3.6% |
| Action 3 | 5 | 0.0% | 20.0% | 60.0% | 0.0% |
| Action 4 | 1 | 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%
0.0%
0.0%
2014: Alice
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 Oct. 30, 2026.