Examiner Dave Robertson
Grant ratio: 8.3%. Average office actions per grant: 2.00. Most common rejection type: §103.
Potentially inactive
Last office action in data: May 2026
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 18 | 49.6% | 1.83 |
| Group | 214 | 64.2% | 1.69 |
| Tech Center | 1,781 | 52.8% | 2.19 |
| 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 | 6 | 50.0% |
| 2 OAs | 5 | 41.7% |
| 3 OAs | 0 | 0.0% |
| 4 OAs | 1 | 8.3% |
| 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 |
|---|---|---|---|
| 2010 | 1 | 0 | 0.0% |
| 2013 | 2 | 0 | 0.0% |
| 2016 | 2 | 0 | 0.0% |
| 2020 | 2 | 0 | 0.0% |
| 2022 | 1 | 1 | 100.0% |
| 2023 | 1 | 0 | 0.0% |
| 2025 | 1 | 0 | 0.0% |
| 2026 | 2 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 12 | 8.3% | 41.7% | 50.0% | 0.0% |
| Action 2 | 6 | 0.0% | 33.3% | 66.7% | 0.0% |
| Action 3 | 1 | 0.0% | 100.0% | 0.0% | 0.0% |
| Action 4 | 1 | 0.0% | 100.0% | 0.0% | 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
100.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
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.