Examiner Kan Luo
Examiner Kan Luo appears to be about average relative to their peer examiners. Their lifetime grant ratio is 32.7%, they average 2.00 office actions per granted patent, and their rejection profile is dominated by ยง103.
Difficulty vs AU
Very Easy
Difficulty vs Group
Very Hard
Difficulty vs TC
About Average
Difficulty vs USPTO
Very Hard
Average OA / Grant
2.00
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Examiner Details
- Observed Examiner Years
- 4 years (2023-2026)
- Phone
- (571) 270-5753
- Predicted Supervisor
- N/A
- Supervisor Phone
- N/A
- Tech Center
- 1700 - Chemical and Materials Engineering
- Group
- 1750 - 1750
Metrics
- Applications Evaluated
- 107
- Granted Applications
- 35
- Non-Granted Applications
- 72
- Avg OA / Grant
- 2.00
- Last OA Observed
- March 2026 (2 months ago)
- Art Units Seen
- 1751
- Work Groups Seen
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 32.7% | 2.00 |
| Art Unit | 12 | 30.0% | 2.04 |
| Group | 94 | 34.8% | 1.92 |
| Tech Center | 1,713 | 47.3% | 2.14 |
| USPTO | 16,116 | 54.8% | 1.98 |
Grant Timeline
Shaded region marks the last two observed years, where grant outcomes may lag due to recency.
| Year | Applications | Granted | Grant Rate |
|---|---|---|---|
| No observed data before 2023; examiner may not yet have been active in the available dataset. | |||
| 2023 | 9 | 4 | 44.4% |
| 2024 | 30 | 19 | 63.3% |
| 2025 | 47 | 12 | 25.5% |
| 2026 | 21 | 0 | 0.0% |
35 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 106 | 0.0% | 7.5% | 90.6% | 0.0% |
| 2 | 71 | 0.0% | 0.0% | 97.2% | 2.8% |
| 3 | 41 | 0.0% | 0.0% | 97.6% | 0.0% |
| 4 | 24 | 0.0% | 0.0% | 100.0% | 0.0% |
| 5 | 8 | 0.0% | 0.0% | 100.0% | 0.0% |
| 6 | 2 | 0.0% | 0.0% | 50.0% | 50.0% |