Examiner Tung Q. Tran
Grant ratio: 79.2% (58th percentile in Art Unit 2473 among examiners with at least 20 applications). Average office actions per grant: 2.31. Most common rejection type: §103.
Appears inactive
Last office action in data: May 2014
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 27 | 65.9% | 1.96 |
| 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 | 58 | 37.7% |
| 2 OAs | 46 | 29.9% |
| 3 OAs | 23 | 14.9% |
| 4 OAs | 13 | 8.4% |
| 5+ OAs | 14 | 9.1% |
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 | 27 | 19 | 70.4% |
| 2009 | 36 | 28 | 77.8% |
| 2010 | 24 | 18 | 75.0% |
| 2011 | 29 | 27 | 93.1% |
| 2012 | 19 | 15 | 78.9% |
| 2013 | 16 | 13 | 81.3% |
| 2014 | 3 | 2 | 66.7% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 154 | 0.6% | 8.4% | 82.5% | 5.2% |
| Action 2 | 96 | 3.1% | 6.3% | 82.3% | 7.3% |
| Action 3 | 50 | 0.0% | 4.0% | 88.0% | 6.0% |
| Action 4 | 27 | 0.0% | 7.4% | 85.2% | 7.4% |
| Action 5 | 14 | 7.1% | 0.0% | 85.7% | 7.1% |
| Action 6 | 7 | 0.0% | 0.0% | 85.7% | 14.3% |
| Action 7 | 3 | 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 | 2 | 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
0.0%
0.0%
1.3%
3.9%
0.0%
0.0%
4.2%
2014: Alice
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.