Examiner Yi Hao
Grant ratio: 18.6% (22nd percentile in Art Unit 2187 among examiners with at least 20 applications). Average office actions per grant: 1.72. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 96662
- Primary art unit
- 2187
- Work group
- 2180
- Technology center
- 2100
- Applications
- 97
- Granted applications
- 18
- Examiner phone
- (571) 272-4597
- Supervisor
- Emerson Puente
- Supervisor phone
- (571) 272-3652
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 24 | 46.7% | 1.83 |
| Group | 178 | 52.5% | 1.89 |
| 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 | 0 | 0.0% |
| 1 OA | 33 | 28.7% |
| 2 OAs | 45 | 39.1% |
| 3 OAs | 22 | 19.1% |
| 4 OAs | 12 | 10.4% |
| 5+ OAs | 3 | 2.6% |
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 |
|---|---|---|---|
| 2022 | 26 | 12 | 46.2% |
| 2023 | 13 | 5 | 38.5% |
| 2024 | 1 | 0 | 0.0% |
| 2025 | 25 | 1 | 4.0% |
| 2026 | 32 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 115 | 1.7% | 2.6% | 87.0% | 7.0% |
| Action 2 | 82 | 13.4% | 0.0% | 84.1% | 2.4% |
| Action 3 | 37 | 24.3% | 0.0% | 64.9% | 13.5% |
| Action 4 | 15 | 40.0% | 0.0% | 60.0% | 13.3% |
| Action 5 | 3 | 66.7% | 0.0% | 66.7% | 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
0.0%
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
20.9%
27.3%
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.