Examiner William Paul Plefka
Grant ratio: 22.2%. Average office actions per grant: 2.25. 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 | 29 | 44.4% | 1.94 |
| Group | 338 | 44.1% | 1.98 |
| Tech Center | 1,817 | 51.4% | 2.19 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 10 | 31.3% |
| 2 OAs | 13 | 40.6% |
| 3 OAs | 5 | 15.6% |
| 4 OAs | 4 | 12.5% |
| 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 |
|---|---|---|---|
| 2023 | 2 | 1 | 50.0% |
| 2024 | 15 | 3 | 20.0% |
| 2025 | 1 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 32 | 9.4% | 0.0% | 90.6% | 0.0% |
| Action 2 | 22 | 4.5% | 0.0% | 95.5% | 0.0% |
| Action 3 | 9 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 4 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.
By year
12.5%
2024: AI examples
5.8%
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 Oct. 30, 2026.