Examiner Fred I. Ehichioya
Grant ratio: 77.3% (73rd percentile in Art Unit 2156 among examiners with at least 20 applications). Average office actions per grant: 1.61. Most common rejection type: §103.
Appears inactive
Last office action in data: November 2025
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 22 | 58.6% | 2.62 |
| Group | 119 | 59.3% | 2.64 |
| 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 | 10 | 4.0% |
| 1 OA | 134 | 54.3% |
| 2 OAs | 65 | 26.3% |
| 3 OAs | 22 | 8.9% |
| 4 OAs | 13 | 5.3% |
| 5+ OAs | 3 | 1.2% |
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 | 37 | 28 | 75.7% |
| 2009 | 74 | 63 | 85.1% |
| 2010 | 64 | 55 | 85.9% |
| 2011 | 52 | 43 | 82.7% |
| 2012 | 1 | 1 | 100.0% |
| 2013 | 3 | 0 | 0.0% |
| 2015 | 3 | 0 | 0.0% |
| 2020 | 10 | 0 | 0.0% |
| 2021 | 1 | 1 | 100.0% |
| 2025 | 2 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 237 | 3.4% | 37.6% | 54.9% | 0.4% |
| Action 2 | 103 | 1.9% | 25.2% | 71.8% | 0.0% |
| Action 3 | 38 | 0.0% | 26.3% | 73.7% | 0.0% |
| Action 4 | 16 | 0.0% | 12.5% | 87.5% | 0.0% |
| Action 5 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 1 | 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
2.0%
1.8%
3.0%
5.3%
0.0%
0.0%
2014: Alice
0.0%
0.0%
0.0%
0.0%
2025: August memo
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.