Examiner Roberto Fabian Jr
Grant ratio: 44.8% (35th percentile in Art Unit 2877 among examiners with at least 20 applications). Average office actions per grant: 1.73. Most common rejection type: §103.
Recently active
Last office action in data: September 2026
Examiner record
- Examiner ID
- 96829
- Primary art unit
- 2877
- Work group
- 2870
- Technology center
- 2800
- Applications
- 183
- Granted applications
- 82
- Examiner phone
- (571) 272-3632
- Supervisor
- Tarifur Chowdhury
- Supervisor phone
- (571) 272-2287
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 54 | 58.5% | 1.47 |
| Group | 352 | 60.7% | 1.71 |
| Tech Center | 2,428 | 61.6% | 1.69 |
| USPTO | 16,572 | 52.1% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 3 | 1.6% |
| 1 OA | 65 | 35.5% |
| 2 OAs | 53 | 29.0% |
| 3 OAs | 29 | 15.8% |
| 4 OAs | 18 | 9.8% |
| 5+ OAs | 15 | 8.2% |
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 | 22 | 17 | 77.3% |
| 2023 | 41 | 26 | 63.4% |
| 2024 | 39 | 31 | 79.5% |
| 2025 | 26 | 8 | 30.8% |
| 2026 | 55 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 180 | 3.3% | 2.8% | 88.9% | 2.8% |
| Action 2 | 115 | 0.9% | 0.0% | 98.3% | 0.9% |
| Action 3 | 62 | 0.0% | 1.6% | 96.8% | 0.0% |
| Action 4 | 33 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 5 | 15 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 6 | 10 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 5 | 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: 2023-10-02–2026-10-02. All years includes every dated office action in the data.
By year
1.6%
1.1%
2024: AI examples
0.0%
2025: August memo
3.8%
1.2%
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 Oct. 9, 2026.