Examiner Kevin Song
Grant ratio: 10.0% (15th percentile in Art Unit 1728 among examiners with at least 20 applications). Average office actions per grant: 2.00. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 100044
- Primary art unit
- 1728
- Work group
- 1720
- Technology center
- 1700
- Applications
- 90
- Granted applications
- 9
- Examiner phone
- (571) 270-7337
- Supervisor
- Matthew Martin
- Supervisor phone
- (571) 270-7871
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 18 | 29.3% | 2.53 |
| Group | 264 | 46.2% | 2.20 |
| Tech Center | 1,792 | 44.3% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 2 | 2.2% |
| 1 OA | 26 | 28.9% |
| 2 OAs | 18 | 20.0% |
| 3 OAs | 20 | 22.2% |
| 4 OAs | 21 | 23.3% |
| 5+ OAs | 3 | 3.3% |
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 |
|---|---|---|---|
| 2024 | 1 | 0 | 0.0% |
| 2025 | 35 | 9 | 25.7% |
| 2026 | 54 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 88 | 0.0% | 5.7% | 93.2% | 0.0% |
| Action 2 | 62 | 0.0% | 0.0% | 98.4% | 0.0% |
| Action 3 | 44 | 0.0% | 2.3% | 93.2% | 0.0% |
| Action 4 | 24 | 0.0% | 0.0% | 95.8% | 0.0% |
| Action 5 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 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
2024: AI examples
0.0%
2025: August memo
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.