Examiner Corey Hall
Grant ratio: 20.3% (5th percentile in Art Unit 3743 among examiners with at least 20 applications). Average office actions per grant: 1.96. Most common rejection type: §103.
Appears inactive
Last office action in data: April 2012
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 21 | 36.5% | 1.78 |
| Group | 443 | 57.4% | 1.86 |
| Tech Center | 2,685 | 47.8% | 2.01 |
| 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 | 60 | 48.8% |
| 2 OAs | 46 | 37.4% |
| 3 OAs | 10 | 8.1% |
| 4 OAs | 4 | 3.3% |
| 5+ OAs | 3 | 2.4% |
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 |
|---|---|---|---|
| 2008 | 4 | 1 | 25.0% |
| 2009 | 46 | 6 | 13.0% |
| 2010 | 41 | 9 | 22.0% |
| 2011 | 31 | 8 | 25.8% |
| 2012 | 1 | 1 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 123 | 0.0% | 6.5% | 89.4% | 1.6% |
| Action 2 | 63 | 0.0% | 1.6% | 96.8% | 1.6% |
| Action 3 | 17 | 0.0% | 0.0% | 88.2% | 5.9% |
| Action 4 | 7 | 0.0% | 0.0% | 85.7% | 0.0% |
| Action 5 | 3 | 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
0.0%
0.0%
0.0%
0.0%
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.