Examiner Margaret B Hayes
Grant ratio: 67.3% (74th percentile in Art Unit 1743 among examiners with at least 20 applications). Average office actions per grant: 2.38. Most common rejection type: §103.
Appears inactive
Last office action in data: May 2024
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 26 | 54.4% | 1.96 |
| Group | 211 | 48.8% | 2.05 |
| Tech Center | 1,792 | 44.3% | 2.14 |
| 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 | 40 | 32.3% |
| 2 OAs | 43 | 34.7% |
| 3 OAs | 19 | 15.3% |
| 4 OAs | 13 | 10.5% |
| 5+ OAs | 9 | 7.3% |
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 |
|---|---|---|---|
| 2020 | 15 | 10 | 66.7% |
| 2021 | 27 | 20 | 74.1% |
| 2022 | 30 | 19 | 63.3% |
| 2023 | 35 | 24 | 68.6% |
| 2024 | 6 | 3 | 50.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 124 | 0.0% | 27.4% | 62.9% | 6.5% |
| Action 2 | 84 | 0.0% | 22.6% | 67.9% | 6.0% |
| Action 3 | 41 | 0.0% | 24.4% | 70.7% | 4.9% |
| Action 4 | 22 | 0.0% | 18.2% | 72.7% | 4.5% |
| Action 5 | 9 | 0.0% | 22.2% | 77.8% | 0.0% |
| Action 6 | 5 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 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%
0.0%
0.0%
0.0%
2024: AI examples
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.