Examiner Huihong Qiao
Grant ratio: 41.6% (24th percentile in Art Unit 1763 among examiners with at least 20 applications). Average office actions per grant: 1.87. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 97339
- Primary art unit
- 1763
- Work group
- 1760
- Technology center
- 1700
- Applications
- 166
- Granted applications
- 69
- Examiner phone
- (571) 272-8315
- Supervisor
- Joseph Del Sole
- Supervisor phone
- (571) 272-1130
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 | 19 | 52.6% | 2.12 |
| Group | 170 | 51.2% | 2.03 |
| Tech Center | 1,792 | 44.3% | 2.14 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 1 | 0.6% |
| 1 OA | 70 | 42.2% |
| 2 OAs | 57 | 34.3% |
| 3 OAs | 20 | 12.0% |
| 4 OAs | 12 | 7.2% |
| 5+ OAs | 6 | 3.6% |
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 | 8 | 8 | 100.0% |
| 2023 | 30 | 20 | 66.7% |
| 2024 | 45 | 28 | 62.2% |
| 2025 | 37 | 13 | 35.1% |
| 2026 | 46 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 165 | 0.0% | 8.5% | 69.7% | 1.2% |
| Action 2 | 95 | 0.0% | 7.4% | 88.4% | 1.1% |
| Action 3 | 38 | 0.0% | 2.6% | 97.4% | 2.6% |
| Action 4 | 18 | 0.0% | 0.0% | 88.9% | 0.0% |
| Action 5 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 2 | 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
0.0%
0.0%
2024: AI examples
0.0%
2025: August memo
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 Aug. 27, 2026.