Examiner Katelyn Thanh-Mai Truong
Examiner Katelyn Thanh-Mai Truong appears to be more difficult than most of their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 48.1%, they average 2.07 office actions per granted patent, and their rejection profile is dominated by ยง103.
Difficulty vs AU
Very Hard
Difficulty vs Group
Very Hard
Difficulty vs TC
Very Easy
Difficulty vs USPTO
Very Hard
Average OA / Grant
2.07
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Examiner Details
- Observed Examiner Years
- 8 years (2019-2026)
- Phone
- (571) 272-0023
- Predicted Supervisor
- Kimberly Berona
- Supervisor Phone
- (571) 272-6909
- Tech Center
- 3600 - Transportation, Electronic Commerce, Construction, Agriculture, Licensing and Review
- Group
- 3640 - Aeronautics, Agriculture, Weaponry, Nuclear Systems, Licensing and Review
Metrics
- Applications Evaluated
- 316
- Granted Applications
- 152
- Non-Granted Applications
- 164
- Avg OA / Grant
- 2.07
- Last OA Observed
- March 2026 (0 months ago)
- Art Units Seen
- 3647
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 48.1% | 2.07 |
| Art Unit | 20 | 54.8% | 1.86 |
| Group | 269 | 56.4% | 1.75 |
| Tech Center | 2,337 | 48.0% | 2.11 |
| 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 2019; examiner may not yet have been active in the available dataset. | |||
| 2019 | 11 | 2 | 18.2% |
| 2020 | 51 | 28 | 54.9% |
| 2021 | 39 | 27 | 69.2% |
| 2022 | 40 | 22 | 55.0% |
| 2023 | 56 | 32 | 57.1% |
| 2024 | 49 | 25 | 51.0% |
| 2025 | 46 | 16 | 34.8% |
| 2026 | 24 | 0 | 0.0% |
152 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 312 | 0.0% | 2.2% | 85.3% | 11.5% |
| 2 | 178 | 0.0% | 2.2% | 87.6% | 8.4% |
| 3 | 71 | 0.0% | 0.0% | 93.0% | 4.2% |
| 4 | 36 | 0.0% | 0.0% | 97.2% | 2.8% |
| 5 | 16 | 0.0% | 0.0% | 93.8% | 6.3% |
| 6 | 8 | 0.0% | 0.0% | 100.0% | 0.0% |
| 7 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| 8 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |