Examiner Caitlin N Illing
Grant ratio: 13.3% (2nd percentile in Art Unit 1767 among examiners with at least 20 applications). Average office actions per grant: 1.42. Most common rejection type: §103.
Recently active
Last office action in data: July 2026
Examiner record
- Examiner ID
- 100155
- Primary art unit
- 1767
- Work group
- 1760
- Technology center
- 1700
- Applications
- 90
- Granted applications
- 12
- Examiner phone
- (571) 270-1940
- Supervisor
- Mark Eashoo
- Supervisor phone
- (571) 272-1197
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 23 | 44.7% | 2.28 |
| Group | 170 | 51.2% | 2.03 |
| 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 | 5 | 5.6% |
| 1 OA | 31 | 34.4% |
| 2 OAs | 25 | 27.8% |
| 3 OAs | 15 | 16.7% |
| 4 OAs | 12 | 13.3% |
| 5+ OAs | 2 | 2.2% |
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 | 4 | 2 | 50.0% |
| 2025 | 36 | 10 | 27.8% |
| 2026 | 50 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 85 | 0.0% | 11.8% | 75.3% | 1.2% |
| Action 2 | 54 | 0.0% | 9.3% | 81.5% | 1.9% |
| Action 3 | 29 | 0.0% | 0.0% | 96.6% | 3.4% |
| Action 4 | 14 | 0.0% | 0.0% | 92.9% | 0.0% |
| Action 5 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 1 | 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
2024: AI examples
0.0%
2025: August memo
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 Aug. 27, 2026.