Examiner Oliver Tan
Grant ratio: 37.4% (27th percentile in Art Unit 3669 among examiners with at least 20 applications). Average office actions per grant: 2.33. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 98535
- Primary art unit
- 3669
- Work group
- 3660
- Technology center
- 3600
- Applications
- 155
- Granted applications
- 58
- Examiner phone
- (703) 756-4728
- Supervisor
- Navid Mehdizadeh
- Supervisor phone
- (571) 272-7691
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 55 | 56.5% | 1.85 |
| Group | 454 | 54.1% | 1.86 |
| 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 | 4 | 2.6% |
| 1 OA | 60 | 38.7% |
| 2 OAs | 40 | 25.8% |
| 3 OAs | 17 | 11.0% |
| 4 OAs | 21 | 13.5% |
| 5+ OAs | 13 | 8.4% |
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 |
|---|---|---|---|
| 2023 | 2 | 2 | 100.0% |
| 2024 | 39 | 26 | 66.7% |
| 2025 | 66 | 30 | 45.5% |
| 2026 | 48 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 151 | 6.0% | 6.0% | 83.4% | 6.0% |
| Action 2 | 91 | 5.5% | 6.6% | 83.5% | 2.2% |
| Action 3 | 51 | 0.0% | 2.0% | 98.0% | 0.0% |
| Action 4 | 34 | 0.0% | 2.9% | 91.2% | 0.0% |
| Action 5 | 13 | 0.0% | 0.0% | 92.3% | 0.0% |
| Action 6 | 4 | 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%
2024: AI examples
2.3%
2025: August memo
5.3%
5.8%
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.