Examiner Harold E. Blackwell, Ii
Grant ratio: 96.1% (31st percentile in Art Unit 2916 among examiners with at least 20 applications). Average office actions per grant: 1.27. Most common rejection type: §112.
Appears inactive
Last office action in data: March 2025
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 30 | 96.3% | 1.23 |
| Group | 461 | 94.9% | 1.19 |
| Tech Center | 486 | 94.6% | 1.20 |
| 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 | 292 | 76.2% |
| 2 OAs | 78 | 20.4% |
| 3 OAs | 11 | 2.9% |
| 4 OAs | 0 | 0.0% |
| 5+ OAs | 2 | 0.5% |
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 | 21 | 87.5% |
| 2015 | 50 | 49 | 98.0% |
| 2016 | 56 | 56 | 100.0% |
| 2017 | 23 | 23 | 100.0% |
| 2018 | 40 | 40 | 100.0% |
| 2019 | 40 | 37 | 92.5% |
| 2020 | 24 | 24 | 100.0% |
| 2021 | 21 | 20 | 95.2% |
| 2022 | 42 | 40 | 95.2% |
| 2023 | 27 | 23 | 85.2% |
| 2024 | 34 | 33 | 97.1% |
| 2025 | 2 | 2 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 383 | 0.0% | 12.5% | 1.8% | 78.3% |
| Action 2 | 91 | 0.0% | 3.3% | 1.1% | 82.4% |
| Action 3 | 13 | 0.0% | 0.0% | 7.7% | 84.6% |
| Action 4 | 2 | 0.0% | 0.0% | 0.0% | 100.0% |
| Action 5 | 2 | 0.0% | 0.0% | 50.0% | 50.0% |
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%
2014: Alice
0.0%
0.0%
0.0%
0.0%
0.0%
2019: PEG
0.0%
0.0%
0.0%
0.0%
0.0%
2024: AI examples
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.