Examiner Cory B Siegert
Grant ratio: 72.4% (81st percentile in Art Unit 3678 among examiners with at least 20 applications). Average office actions per grant: 2.31. Most common rejection type: §103.
Appears inactive
Last office action in data: June 2019
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 18 | 59.6% | 1.95 |
| Group | 238 | 58.8% | 1.84 |
| Tech Center | 2,381 | 46.2% | 2.12 |
| 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 | 35 | 38.5% |
| 2 OAs | 28 | 30.8% |
| 3 OAs | 13 | 14.3% |
| 4 OAs | 12 | 13.2% |
| 5+ OAs | 3 | 3.3% |
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 |
|---|---|---|---|
| 2016 | 1 | 1 | 100.0% |
| 2017 | 24 | 16 | 66.7% |
| 2018 | 29 | 23 | 79.3% |
| 2019 | 22 | 15 | 68.2% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 91 | 0.0% | 4.4% | 83.5% | 12.1% |
| Action 2 | 56 | 0.0% | 3.6% | 89.3% | 7.1% |
| Action 3 | 28 | 0.0% | 0.0% | 85.7% | 14.3% |
| Action 4 | 15 | 0.0% | 0.0% | 93.3% | 6.7% |
| Action 5 | 3 | 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%
2019: PEG
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.