Examiner Amber R. Anderson
Examiner Amber R. Anderson appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 30.7%, they average 2.09 office actions per granted patent, and their rejection profile is dominated by ยง103.
Difficulty vs AU
Very Hard
Difficulty vs Group
About Average
Difficulty vs TC
Very Hard
Difficulty vs USPTO
Very Hard
Average OA / Grant
2.09
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Examiner Details
- Observed Examiner Years
- 18 years (2008-2025)
- Phone
- (571) 270-5281
- Predicted Supervisor
- John Fristoe
- Supervisor Phone
- (571) 272-4926
- Tech Center
- 3700 - Mechanical Engineering, Manufacturing and Products
- Group
- 3760 - Refrigeration, Vaporization, Ventilation, and Combustion
Metrics
- Applications Evaluated
- 381
- Granted Applications
- 117
- Non-Granted Applications
- 264
- Avg OA / Grant
- 2.09
- Last OA Observed
- December 2025 (3 months ago)
- Work Groups Seen
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 30.7% | 2.09 |
| Art Unit | 31 | 47.9% | 1.96 |
| Group | 377 | 50.6% | 2.11 |
| Tech Center | 2,632 | 49.9% | 2.01 |
| 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 2008; examiner may not yet have been active in the available dataset. | |||
| 2008 | 36 | 9 | 25.0% |
| 2009 | 72 | 22 | 30.6% |
| 2010 | 63 | 28 | 44.4% |
| 2011 | 55 | 18 | 32.7% |
| 2012 | 64 | 10 | 15.6% |
| 2013 | 48 | 19 | 39.6% |
| 2014 | 15 | 6 | 40.0% |
| No observed data for 2015. | |||
| 2016 | 4 | 0 | 0.0% |
| 2017 | 4 | 1 | 25.0% |
| No observed data for 2018. | |||
| 2019 | 1 | 1 | 100.0% |
| 2020 | 2 | 2 | 100.0% |
| 2021 | 9 | 1 | 11.1% |
| No observed data for 2022-2024. | |||
| 2025 | 8 | 0 | 0.0% |
| No observed data after 2025; examiner may have gone inactive or moved out of examining work. | |||
117 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 378 | 0.0% | 17.5% | 79.9% | 1.1% |
| 2 | 213 | 0.0% | 8.5% | 89.2% | 1.4% |
| 3 | 85 | 0.0% | 8.2% | 89.4% | 0.0% |
| 4 | 42 | 0.0% | 2.4% | 95.2% | 0.0% |
| 5 | 16 | 0.0% | 0.0% | 93.8% | 0.0% |
| 6 | 5 | 0.0% | 0.0% | 100.0% | 0.0% |
| 7 | 3 | 0.0% | 0.0% | 100.0% | 0.0% |
| 8 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| 9 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |