Examiner Stefan Kruer
Examiner Stefan Kruer appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 21.6%, they average 2.00 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
About Average
Difficulty vs USPTO
Very Hard
Average OA / Grant
2.00
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Examiner Details
- Observed Examiner Years
- 17 years (2008-2024)
- Tech Center
- 3600 - Transportation, Electronic Commerce, Construction, Agriculture, Licensing and Review
- Group
- 3650 - Material and Article Handling
Metrics
- Applications Evaluated
- 102
- Granted Applications
- 22
- Non-Granted Applications
- 80
- Avg OA / Grant
- 2.00
- Last OA Observed
- May 2024 (22 months ago)
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 21.6% | 2.00 |
| Art Unit | 34 | 55.2% | 1.78 |
| Group | 239 | 60.7% | 1.70 |
| 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 2008; examiner may not yet have been active in the available dataset. | |||
| 2008 | 2 | 0 | 0.0% |
| 2009 | 10 | 1 | 10.0% |
| 2010 | 13 | 2 | 15.4% |
| 2011 | 10 | 0 | 0.0% |
| 2012 | 2 | 0 | 0.0% |
| 2013 | 5 | 0 | 0.0% |
| 2014 | 17 | 2 | 11.8% |
| 2015 | 13 | 3 | 23.1% |
| 2016 | 10 | 2 | 20.0% |
| 2017 | 9 | 7 | 77.8% |
| 2018 | 3 | 1 | 33.3% |
| No observed data for 2019-2022. | |||
| 2023 | 4 | 2 | 50.0% |
| 2024 | 4 | 2 | 50.0% |
| No observed data after 2024; examiner may have gone inactive or moved out of examining work. | |||
22 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 109 | 0.0% | 18.3% | 74.3% | 7.3% |
| 2 | 60 | 0.0% | 15.0% | 71.7% | 13.3% |
| 3 | 25 | 0.0% | 4.0% | 96.0% | 0.0% |
| 4 | 18 | 0.0% | 0.0% | 100.0% | 0.0% |
| 5 | 6 | 0.0% | 0.0% | 100.0% | 0.0% |
| 6 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| 7 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| 8 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |