Examiner Ubachukwu Odunukwe
Grant ratio: 79.9% (83rd percentile in Art Unit 2654 among examiners with at least 20 applications). Average office actions per grant: 1.74.
Appears inactive
Last office action in data: February 2021
Examiner record
Save this analysis
Download this examiner report.
Log in / Sign Up to exportPeer comparisons
| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 22 | 49.3% | 1.87 |
| Group | 210 | 59.0% | 1.87 |
| Tech Center | 1,759 | 56.9% | 1.88 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 156 | 53.2% |
| 2 OAs | 87 | 29.7% |
| 3 OAs | 35 | 11.9% |
| 4 OAs | 9 | 3.1% |
| 5+ OAs | 6 | 2.0% |
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 |
|---|---|---|---|
| 2014 | 24 | 13 | 54.2% |
| 2015 | 39 | 20 | 51.3% |
| 2016 | 41 | 24 | 58.5% |
| 2017 | 49 | 45 | 91.8% |
| 2018 | 46 | 42 | 91.3% |
| 2019 | 47 | 45 | 95.7% |
| 2020 | 41 | 40 | 97.6% |
| 2021 | 6 | 5 | 83.3% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 293 | 12.6% | 0.7% | 28.3% | 9.2% |
| Action 2 | 137 | 5.8% | 0.7% | 17.5% | 6.6% |
| Action 3 | 50 | 4.0% | 2.0% | 16.0% | 14.0% |
| Action 4 | 15 | 6.7% | 6.7% | 13.3% | 13.3% |
| Action 5 | 6 | 16.7% | 0.0% | 33.3% | 0.0% |
| Action 6 | 3 | 0.0% | 0.0% | 33.3% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
0.0%
2014: Alice
4.0%
12.2%
14.9%
17.3%
7.4%
2019: PEG
2.9%
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. 9, 2026.