Examiner Louis K. Huynh
Grant ratio: 63.9% (42nd percentile in Art Unit 3721 among examiners with at least 20 applications). Average office actions per grant: 1.60. Most common rejection type: §103.
Appears inactive
Last office action in data: June 2010
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 24 | 64.4% | 1.67 |
| 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 | 64 | 52.5% |
| 2 OAs | 42 | 34.4% |
| 3 OAs | 13 | 10.7% |
| 4 OAs | 2 | 1.6% |
| 5+ OAs | 1 | 0.8% |
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 | 48 | 27 | 56.3% |
| 2009 | 62 | 42 | 67.7% |
| 2010 | 12 | 9 | 75.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 122 | 0.0% | 24.6% | 53.3% | 22.1% |
| Action 2 | 58 | 0.0% | 13.8% | 60.3% | 25.9% |
| Action 3 | 16 | 0.0% | 6.3% | 75.0% | 18.8% |
| Action 4 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 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
0.0%
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.