Examiner David C. Schultz
Grant ratio: 84.8% (88th percentile in Art Unit 3648 among examiners with at least 20 applications). Average office actions per grant: 1.56. Most common rejection type: §103.
Appears inactive
Last office action in data: February 2025
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 49 | 51.9% | 1.69 |
| Group | 281 | 52.9% | 1.75 |
| Tech Center | 2,381 | 46.2% | 2.12 |
| 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 | 32 | 55.2% |
| 2 OAs | 22 | 37.9% |
| 3 OAs | 2 | 3.4% |
| 4 OAs | 2 | 3.4% |
| 5+ OAs | 0 | 0.0% |
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 | 32 | 27 | 84.4% |
| 2025 | 14 | 12 | 85.7% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 58 | 1.7% | 10.3% | 84.5% | 3.4% |
| Action 2 | 26 | 0.0% | 3.8% | 92.3% | 3.8% |
| Action 3 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 4 | 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
0.0%
2024: AI examples
1.4%
2025: August memo
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.