Examiner Keith Coleman
Grant ratio: 57.3% (11th percentile in Art Unit 3747 among examiners with at least 20 applications). Average office actions per grant: 2.36. Most common rejection type: §103.
Appears inactive
Last office action in data: December 2011
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 54 | 72.3% | 1.66 |
| Group | 444 | 57.6% | 1.86 |
| Tech Center | 2,671 | 48.4% | 2.01 |
| 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 | 93 | 34.8% |
| 2 OAs | 88 | 33.0% |
| 3 OAs | 47 | 17.6% |
| 4 OAs | 29 | 10.9% |
| 5+ OAs | 10 | 3.7% |
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 |
|---|---|---|---|
| 2007 | 2 | 0 | 0.0% |
| 2008 | 69 | 30 | 43.5% |
| 2009 | 112 | 74 | 66.1% |
| 2010 | 37 | 27 | 73.0% |
| 2011 | 47 | 22 | 46.8% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 267 | 0.0% | 21.0% | 76.0% | 0.7% |
| Action 2 | 174 | 0.0% | 19.5% | 78.2% | 1.7% |
| Action 3 | 86 | 0.0% | 17.4% | 80.2% | 2.3% |
| Action 4 | 39 | 0.0% | 12.8% | 79.5% | 2.6% |
| Action 5 | 10 | 0.0% | 20.0% | 80.0% | 0.0% |
| Action 6 | 2 | 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
0.0%
0.0%
0.0%
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.