Examiner Erin Kryukova
Examiner Erin Kryukova appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 58.7%, they average 1.99 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 Hard
Difficulty vs USPTO
About Average
Average OA / Grant
1.99
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Examiner Details
- Observed Examiner Years
- 14 years (2013-2026)
- Phone
- (571) 272-3761
- Predicted Supervisor
- N/A
- Supervisor Phone
- N/A
- Tech Center
- 2800 - Semiconductors, Electrical and Optical Systems and Components
- Group
- 2870 - Optics / Photocopying
Metrics
- Applications Evaluated
- 630
- Granted Applications
- 370
- Non-Granted Applications
- 260
- Avg OA / Grant
- 1.99
- Last OA Observed
- March 2026 (3 months ago)
- Work Groups Seen
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 58.7% | 1.99 |
| Art Unit | 63 | 60.6% | 1.81 |
| Group | 346 | 63.2% | 1.71 |
| Tech Center | 2,370 | 64.7% | 1.69 |
| 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 2013; examiner may not yet have been active in the available dataset. | |||
| 2013 | 47 | 16 | 34.0% |
| 2014 | 57 | 18 | 31.6% |
| 2015 | 45 | 17 | 37.8% |
| 2016 | 50 | 23 | 46.0% |
| 2017 | 39 | 24 | 61.5% |
| 2018 | 43 | 23 | 53.5% |
| 2019 | 47 | 30 | 63.8% |
| 2020 | 33 | 28 | 84.8% |
| 2021 | 39 | 32 | 82.1% |
| 2022 | 49 | 40 | 81.6% |
| 2023 | 47 | 41 | 87.2% |
| 2024 | 50 | 41 | 82.0% |
| 2025 | 70 | 37 | 52.9% |
| 2026 | 14 | 0 | 0.0% |
370 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 619 | 0.0% | 3.2% | 74.6% | 21.5% |
| 2 | 335 | 0.0% | 5.4% | 78.5% | 15.5% |
| 3 | 129 | 0.0% | 0.0% | 84.5% | 14.0% |
| 4 | 75 | 0.0% | 0.0% | 82.7% | 17.3% |
| 5 | 32 | 0.0% | 0.0% | 78.1% | 21.9% |
| 6 | 17 | 0.0% | 5.9% | 70.6% | 23.5% |
| 7 | 10 | 0.0% | 0.0% | 100.0% | 0.0% |
| 8 | 5 | 0.0% | 0.0% | 100.0% | 0.0% |
| 9 | 3 | 0.0% | 0.0% | 66.7% | 33.3% |
| 10 | 1 | 0.0% | 0.0% | 0.0% | 100.0% |