Examiner Sam K. Ahn
Grant ratio: 84.0% (92nd percentile in Art Unit 2611 among examiners with at least 20 applications). Average office actions per grant: 1.57. Most common rejection type: §103.
Recently active
Last office action in data: July 2026
Examiner record
- Examiner ID
- 79565
- Primary art unit
- 2611
- Work group
- 2610
- Technology center
- 2600
- Applications
- 325
- Granted applications
- 273
- Examiner phone
- (571) 272-3044
- Supervisor
- Alford Kindred
- Supervisor phone
- (571) 272-4037
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 | 38 | 48.8% | 1.87 |
| Group | 291 | 49.1% | 1.92 |
| Tech Center | 1,754 | 57.4% | 1.88 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 2 | 0.6% |
| 1 OA | 199 | 61.2% |
| 2 OAs | 84 | 25.8% |
| 3 OAs | 29 | 8.9% |
| 4 OAs | 8 | 2.5% |
| 5+ OAs | 3 | 0.9% |
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 | 68 | 64 | 94.1% |
| 2009 | 87 | 71 | 81.6% |
| 2010 | 82 | 71 | 86.6% |
| 2011 | 70 | 63 | 90.0% |
| 2012 | 2 | 1 | 50.0% |
| 2013 | 2 | 0 | 0.0% |
| 2025 | 7 | 3 | 42.9% |
| 2026 | 7 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 323 | 7.7% | 7.4% | 56.7% | 16.7% |
| Action 2 | 124 | 16.9% | 4.8% | 54.0% | 14.5% |
| Action 3 | 40 | 12.5% | 5.0% | 55.0% | 17.5% |
| Action 4 | 11 | 18.2% | 0.0% | 45.5% | 27.3% |
| Action 5 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 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
18.7%
10.8%
9.3%
1.2%
0.0%
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.