Examiner Daniel G Chen
Examiner Daniel G Chen appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 0.0% and their rejection profile is dominated by §103 and elevated §112 usage.
Difficulty vs AU
Very Hard
Difficulty vs Group
Very Hard
Difficulty vs TC
Very Hard
Difficulty vs USPTO
Very Hard
Average OA / Grant
N/A
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Examiner Details
- Observed Examiner Years
- 1 years (2026-2026)
- Phone
- (571) 272-9669
- Predicted Supervisor
- Vivek Koppikar
- Supervisor Phone
- (571) 272-5109
- Tech Center
- 3600 - Transportation, Electronic Commerce, Construction, Agriculture, Licensing and Review
- Group
- 3610 - Surface Transportation
Metrics
- Applications Evaluated
- 3
- Granted Applications
- 0
- Non-Granted Applications
- 3
- Avg OA / Grant
- N/A
- Last OA Observed
- March 2026 (2 months ago)
- Art Units Seen
- 3612
- Work Groups Seen
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 0.0% | N/A |
| Art Unit | 31 | 61.9% | 1.37 |
| Group | 152 | 63.7% | 1.45 |
| Tech Center | 2,337 | 48.0% | 2.11 |
| USPTO | 16,116 | 54.8% | 1.98 |
Grant Timeline
| Year | Applications | Granted | Grant Rate |
|---|---|---|---|
| No observed data before 2026; examiner may not yet have been active in the available dataset. | |||
| 2026 | 3 | 0 | 0.0% |
0 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 3 | 0.0% | 0.0% | 66.7% | 33.3% |