Examiner Ha D. Ho
Grant ratio: 87.4% (98th percentile in Art Unit 3658 among examiners with at least 20 applications). Average office actions per grant: 1.17. Most common rejection type: §112.
Appears inactive
Last office action in data: February 2025
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 35 | 55.6% | 1.69 |
| Group | 255 | 56.6% | 1.70 |
| Tech Center | 2,381 | 46.2% | 2.12 |
| 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 | 797 | 87.7% |
| 2 OAs | 90 | 9.9% |
| 3 OAs | 15 | 1.7% |
| 4 OAs | 7 | 0.8% |
| 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 |
|---|---|---|---|
| 2008 | 43 | 38 | 88.4% |
| 2009 | 79 | 68 | 86.1% |
| 2010 | 60 | 57 | 95.0% |
| 2011 | 63 | 56 | 88.9% |
| 2012 | 67 | 52 | 77.6% |
| 2013 | 53 | 45 | 84.9% |
| 2014 | 51 | 43 | 84.3% |
| 2015 | 67 | 62 | 92.5% |
| 2016 | 45 | 42 | 93.3% |
| 2017 | 56 | 52 | 92.9% |
| 2018 | 50 | 46 | 92.0% |
| 2019 | 42 | 34 | 81.0% |
| 2020 | 47 | 45 | 95.7% |
| 2021 | 38 | 31 | 81.6% |
| 2022 | 35 | 32 | 91.4% |
| 2023 | 58 | 41 | 70.7% |
| 2024 | 51 | 47 | 92.2% |
| 2025 | 1 | 1 | 100.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 909 | 0.2% | 30.4% | 21.9% | 43.9% |
| Action 2 | 112 | 0.9% | 38.4% | 40.2% | 16.1% |
| Action 3 | 22 | 4.5% | 22.7% | 63.6% | 4.5% |
| Action 4 | 7 | 0.0% | 14.3% | 85.7% | 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
3.5%
0.0%
1.4%
0.0%
0.0%
0.0%
2014: Alice
0.0%
1.3%
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.