Examiner Keyur A. Vyas
Grant ratio: 21.8% (29th percentile in Art Unit 1637 among examiners with at least 20 applications). Average office actions per grant: 2.23. Most common rejection type: §103.
Recently active
Last office action in data: August 2026
Examiner record
- Examiner ID
- 97139
- Primary art unit
- 1637
- Work group
- 1630
- Technology center
- 1600
- Applications
- 119
- Granted applications
- 26
- Examiner phone
- (571) 272-0924
- Supervisor
- Jennifer Dunston
- Supervisor phone
- (571) 272-2916
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 33 | 41.0% | 2.09 |
| Group | 245 | 37.4% | 2.18 |
| Tech Center | 1,373 | 38.0% | 2.02 |
| USPTO | 16,475 | 52.7% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 1 | 0.8% |
| 1 OA | 28 | 23.5% |
| 2 OAs | 30 | 25.2% |
| 3 OAs | 22 | 18.5% |
| 4 OAs | 20 | 16.8% |
| 5+ OAs | 18 | 15.1% |
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 |
|---|---|---|---|
| 2022 | 4 | 2 | 50.0% |
| 2023 | 21 | 10 | 47.6% |
| 2024 | 19 | 5 | 26.3% |
| 2025 | 31 | 9 | 29.0% |
| 2026 | 44 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 118 | 0.0% | 17.8% | 49.2% | 5.9% |
| Action 2 | 90 | 2.2% | 12.2% | 50.0% | 7.8% |
| Action 3 | 60 | 0.0% | 3.3% | 56.7% | 13.3% |
| Action 4 | 38 | 0.0% | 2.6% | 60.5% | 13.2% |
| Action 5 | 18 | 5.6% | 0.0% | 66.7% | 5.6% |
| Action 6 | 6 | 0.0% | 0.0% | 83.3% | 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%
2024: AI examples
2.1%
2025: August memo
0.0%
1.9%
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.