Examiner Examiner Arfan Sinaki
Grant ratio: 64.2% (69th percentile in Art Unit 3642 among examiners with at least 20 applications). Average office actions per grant: 1.56. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 94804
- Primary art unit
- 3642
- Work group
- 3640
- Technology center
- 3600
- Applications
- 352
- Granted applications
- 226
- Examiner phone
- (571) 272-7185
- Supervisor
- Joshua J. Michener
- Supervisor phone
- (571) 272-1467
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 30 | 57.4% | 1.76 |
| Group | 281 | 52.9% | 1.75 |
| 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 | 1 | 0.3% |
| 1 OA | 226 | 64.2% |
| 2 OAs | 90 | 25.6% |
| 3 OAs | 15 | 4.3% |
| 4 OAs | 16 | 4.5% |
| 5+ OAs | 4 | 1.1% |
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 | 5 | 3 | 60.0% |
| 2020 | 45 | 27 | 60.0% |
| 2021 | 39 | 30 | 76.9% |
| 2022 | 49 | 37 | 75.5% |
| 2023 | 69 | 59 | 85.5% |
| 2024 | 49 | 43 | 87.8% |
| 2025 | 59 | 27 | 45.8% |
| 2026 | 37 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 351 | 0.0% | 5.1% | 61.8% | 22.8% |
| Action 2 | 125 | 0.0% | 11.2% | 64.8% | 16.8% |
| Action 3 | 35 | 0.0% | 11.4% | 68.6% | 17.1% |
| Action 4 | 20 | 0.0% | 10.0% | 60.0% | 10.0% |
| Action 5 | 4 | 0.0% | 0.0% | 75.0% | 25.0% |
| Action 6 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 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
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.