Examiner John L Van Druff
Grant ratio: 35.7% (33rd percentile in Art Unit 1643 among examiners with at least 20 applications). Average office actions per grant: 1.53. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 95860
- Primary art unit
- 1643
- Work group
- 1640
- Technology center
- 1600
- Applications
- 185
- Granted applications
- 66
- Examiner phone
- (571) 272-2085
- Supervisor
- Julie Wu
- Supervisor phone
- (571) 272-5205
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 | 27 | 37.2% | 1.83 |
| Group | 222 | 43.5% | 1.94 |
| 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 | 0 | 0.0% |
| 1 OA | 107 | 57.8% |
| 2 OAs | 38 | 20.5% |
| 3 OAs | 17 | 9.2% |
| 4 OAs | 12 | 6.5% |
| 5+ OAs | 11 | 5.9% |
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 |
|---|---|---|---|
| 2021 | 18 | 14 | 77.8% |
| 2022 | 28 | 17 | 60.7% |
| 2023 | 32 | 16 | 50.0% |
| 2024 | 32 | 17 | 53.1% |
| 2025 | 27 | 2 | 7.4% |
| 2026 | 48 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 185 | 1.1% | 9.2% | 38.4% | 9.7% |
| Action 2 | 78 | 2.6% | 5.1% | 56.4% | 2.6% |
| Action 3 | 40 | 0.0% | 2.5% | 52.5% | 5.0% |
| Action 4 | 23 | 0.0% | 0.0% | 56.5% | 4.3% |
| Action 5 | 11 | 0.0% | 0.0% | 45.5% | 0.0% |
| Action 6 | 3 | 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
2.3%
0.0%
1.9%
2024: AI examples
0.0%
2025: August memo
0.0%
3.2%
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.