Examiner Bao Q. Vu
Grant ratio: 80.4% (60th percentile in Art Unit 2838 among examiners with at least 20 applications). Average office actions per grant: 1.35. Most common rejection type: §102.
Appears inactive
Last office action in data: February 2014
Examiner record
Save this analysis
Download this examiner report.
Log in / Sign Up to exportPeer comparisons
| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 60 | 64.3% | 1.59 |
| Group | 354 | 67.0% | 1.58 |
| Tech Center | 2,413 | 62.4% | 1.69 |
| 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 | 170 | 73.9% |
| 2 OAs | 44 | 19.1% |
| 3 OAs | 9 | 3.9% |
| 4 OAs | 6 | 2.6% |
| 5+ OAs | 1 | 0.4% |
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 | 53 | 38 | 71.7% |
| 2009 | 27 | 20 | 74.1% |
| 2010 | 59 | 49 | 83.1% |
| 2011 | 14 | 12 | 85.7% |
| 2012 | 38 | 32 | 84.2% |
| 2013 | 38 | 33 | 86.8% |
| 2014 | 1 | 1 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 230 | 1.3% | 57.8% | 30.9% | 0.9% |
| Action 2 | 60 | 0.0% | 48.3% | 45.0% | 1.7% |
| Action 3 | 16 | 0.0% | 43.8% | 56.3% | 0.0% |
| Action 4 | 7 | 0.0% | 28.6% | 71.4% | 0.0% |
| Action 5 | 1 | 0.0% | 100.0% | 0.0% | 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
1.3%
0.0%
0.0%
7.1%
1.7%
0.0%
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.