Examiner Don Kitsun Wong
Grant ratio: 85.0% (91st percentile in Art Unit 2884 among examiners with at least 20 applications). Average office actions per grant: 1.25. Most common rejection type: §102.
Potentially inactive
Last office action in data: April 2026
Examiner record
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 42 | 68.1% | 1.63 |
| Group | 164 | 64.9% | 1.71 |
| Tech Center | 2,413 | 62.4% | 1.69 |
| 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 | 187 | 79.9% |
| 2 OAs | 37 | 15.8% |
| 3 OAs | 8 | 3.4% |
| 4 OAs | 2 | 0.9% |
| 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 |
|---|---|---|---|
| 2013 | 2 | 0 | 0.0% |
| 2017 | 47 | 41 | 87.2% |
| 2018 | 25 | 22 | 88.0% |
| 2019 | 22 | 20 | 90.9% |
| 2020 | 18 | 17 | 94.4% |
| 2021 | 27 | 25 | 92.6% |
| 2022 | 32 | 28 | 87.5% |
| 2023 | 15 | 15 | 100.0% |
| 2024 | 22 | 22 | 100.0% |
| 2025 | 17 | 9 | 52.9% |
| 2026 | 7 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 234 | 2.1% | 59.0% | 22.6% | 2.1% |
| Action 2 | 47 | 2.1% | 34.0% | 46.8% | 4.3% |
| Action 3 | 10 | 0.0% | 40.0% | 60.0% | 0.0% |
| Action 4 | 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%
1.5%
0.0%
2019: PEG
0.0%
4.2%
0.0%
5.9%
6.7%
2024: AI examples
4.2%
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.