Examiner Dylan J Sherrillo
Grant ratio: 46.8% (13th percentile in Art Unit 2665 among examiners with at least 20 applications). Average office actions per grant: 1.10. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 99330
- Primary art unit
- 2665
- Work group
- 2660
- Technology center
- 2600
- Applications
- 62
- Granted applications
- 29
- Examiner phone
- (703) 756-5605
- Supervisor
- Stephen R Koziol
- Supervisor phone
- (408) 918-7630
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 37 | 68.6% | 1.65 |
| Group | 289 | 63.2% | 1.66 |
| Tech Center | 1,754 | 57.4% | 1.88 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 1 | 1.6% |
| 1 OA | 48 | 77.4% |
| 2 OAs | 7 | 11.3% |
| 3 OAs | 4 | 6.5% |
| 4 OAs | 2 | 3.2% |
| 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 |
|---|---|---|---|
| 2024 | 14 | 12 | 85.7% |
| 2025 | 36 | 17 | 47.2% |
| 2026 | 12 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 61 | 1.6% | 23.0% | 57.4% | 3.3% |
| Action 2 | 13 | 0.0% | 15.4% | 69.2% | 0.0% |
| Action 3 | 6 | 0.0% | 0.0% | 66.7% | 0.0% |
| Action 4 | 2 | 0.0% | 0.0% | 50.0% | 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
2.1%
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.