Examiner Alexander K Showalter
Grant ratio: 19.7% (21st percentile in Art Unit 1629 among examiners with at least 20 applications). Average office actions per grant: 1.58. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 98186
- Primary art unit
- 1629
- Work group
- 1620
- Technology center
- 1600
- Applications
- 122
- Granted applications
- 24
- Examiner phone
- (571) 270-0610
- Supervisor
- Jeffrey S Lundgren
- Supervisor phone
- (571) 272-5541
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 22 | 38.4% | 1.91 |
| Group | 252 | 46.0% | 1.76 |
| Tech Center | 1,373 | 38.0% | 2.02 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 5 | 4.1% |
| 1 OA | 65 | 53.3% |
| 2 OAs | 36 | 29.5% |
| 3 OAs | 6 | 4.9% |
| 4 OAs | 3 | 2.5% |
| 5+ OAs | 7 | 5.7% |
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 |
|---|---|---|---|
| 2023 | 5 | 5 | 100.0% |
| 2024 | 42 | 17 | 40.5% |
| 2025 | 40 | 2 | 5.0% |
| 2026 | 35 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 117 | 1.7% | 12.8% | 45.3% | 12.8% |
| Action 2 | 52 | 1.9% | 11.5% | 51.9% | 3.8% |
| Action 3 | 16 | 0.0% | 6.3% | 56.3% | 6.3% |
| Action 4 | 10 | 0.0% | 0.0% | 70.0% | 10.0% |
| Action 5 | 7 | 0.0% | 14.3% | 71.4% | 0.0% |
| Action 6 | 4 | 0.0% | 0.0% | 75.0% | 25.0% |
| Action 7 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 2 | 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
11.1%
2024: AI examples
1.2%
2025: August memo
0.0%
2.6%
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.