Examiner George Sun
Grant ratio: 59.8% (61st percentile in Art Unit 3673 among examiners with at least 20 applications). Average office actions per grant: 1.80. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 95073
- Primary art unit
- 3673
- Work group
- 3670
- Technology center
- 3600
- Applications
- 346
- Granted applications
- 207
- Examiner phone
- (571) 270-7221
- Supervisor
- Justin Mikowski
- Supervisor phone
- (571) 272-8525
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 32 | 52.8% | 1.84 |
| Group | 238 | 58.8% | 1.84 |
| 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 | 185 | 52.3% |
| 2 OAs | 116 | 32.8% |
| 3 OAs | 31 | 8.8% |
| 4 OAs | 17 | 4.8% |
| 5+ OAs | 5 | 1.4% |
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 |
|---|---|---|---|
| 2019 | 3 | 0 | 0.0% |
| 2020 | 29 | 20 | 69.0% |
| 2021 | 45 | 28 | 62.2% |
| 2022 | 50 | 29 | 58.0% |
| 2023 | 63 | 48 | 76.2% |
| 2024 | 72 | 52 | 72.2% |
| 2025 | 52 | 30 | 57.7% |
| 2026 | 32 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 354 | 0.0% | 13.3% | 82.2% | 2.3% |
| Action 2 | 169 | 0.0% | 8.3% | 88.8% | 1.2% |
| Action 3 | 53 | 0.0% | 1.9% | 90.6% | 7.5% |
| Action 4 | 22 | 0.0% | 4.5% | 90.9% | 4.5% |
| Action 5 | 5 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 1 | 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
2019: PEG
0.0%
0.0%
0.0%
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.