Examiner Stephen Sollenberger
Grant ratio: 26.7% (60th percentile in Art Unit 1791 among examiners with at least 20 applications). Average office actions per grant: 1.38. Most common rejection type: §103.
Appears inactive
Last office action in data: October 2009
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 39 | 20.9% | 2.36 |
| Group | 303 | 36.1% | 2.12 |
| Tech Center | 1,816 | 43.3% | 2.14 |
| 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 | 21 | 70.0% |
| 2 OAs | 9 | 30.0% |
| 3 OAs | 0 | 0.0% |
| 4 OAs | 0 | 0.0% |
| 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 |
|---|---|---|---|
| 2008 | 5 | 0 | 0.0% |
| 2009 | 25 | 8 | 32.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 30 | 0.0% | 10.0% | 90.0% | 0.0% |
| Action 2 | 9 | 0.0% | 11.1% | 88.9% | 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%
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.