Examiner Christina Tran
Grant ratio: 12.8% (19th percentile in Art Unit 1637 among examiners with at least 20 applications). Average office actions per grant: 2.60. Most common rejection type: §103.
Recently active
Last office action in data: October 2026
Examiner record
- Examiner ID
- 98170
- Primary art unit
- 1637
- Work group
- 1630
- Technology center
- 1600
- Applications
- 117
- Granted applications
- 15
- Examiner phone
- (571) 270-0550
- Supervisor
- Jennifer Dunston
- Supervisor phone
- (571) 272-2916
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| Group | Examiners | Average grant ratio | Average office actions / grant |
|---|---|---|---|
| Art Unit | 33 | 40.6% | 2.09 |
| Group | 245 | 37.0% | 2.18 |
| Tech Center | 1,383 | 37.4% | 2.02 |
| USPTO | 16,620 | 51.8% | 1.98 |
Office actions per application
| Office actions | Applications | Share of applications |
|---|---|---|
| No OA observed | 0 | 0.0% |
| 1 OA | 36 | 30.8% |
| 2 OAs | 35 | 29.9% |
| 3 OAs | 23 | 19.7% |
| 4 OAs | 15 | 12.8% |
| 5+ OAs | 8 | 6.8% |
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 | 1 | 0 | 0.0% |
| 2024 | 16 | 4 | 25.0% |
| 2025 | 35 | 11 | 31.4% |
| 2026 | 65 | 0 | 0.0% |
Rejections by office-action stage
| Office-action stage | Actions observed | §101 | §102 | §103 | §112 |
|---|---|---|---|---|---|
| Action 1 | 117 | 3.4% | 8.5% | 51.3% | 12.0% |
| Action 2 | 81 | 1.2% | 6.2% | 44.4% | 25.9% |
| Action 3 | 46 | 2.2% | 0.0% | 39.1% | 30.4% |
| Action 4 | 23 | 4.3% | 0.0% | 43.5% | 30.4% |
| Action 5 | 8 | 0.0% | 0.0% | 50.0% | 37.5% |
| Action 6 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 8 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
| Action 10 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |
Section 101 rejections
Last 3 years: 2023-10-23–2026-10-23. All years includes every dated office action in the data.
By year
9.1%
2024: AI examples
1.4%
2025: August memo
2.8%
2.2%
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. 30, 2026.