Examiner Darwin P. Erezo
Examiner Darwin P. Erezo appears to be about average relative to their peer examiners. Their lifetime grant ratio is 9.8%, they average 2.00 office actions per granted patent, and their rejection profile is dominated by ยง103.
Difficulty vs AU
About Average
Difficulty vs Group
About Average
Difficulty vs TC
About Average
Difficulty vs USPTO
Very Hard
Average OA / Grant
2.00
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Examiner Details
- Observed Examiner Years
- 7 years (2009-2015)
- Tech Center
- 3700 - Mechanical Engineering, Manufacturing and Products
- Group
- 3770 - Medical and Surgical Instruments, Treatment Devices, and Supplies
Metrics
- Applications Evaluated
- 41
- Granted Applications
- 4
- Non-Granted Applications
- 37
- Avg OA / Grant
- 2.00
- Last OA Observed
- April 2015 (132 months ago)
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 9.8% | 2.00 |
| Art Unit | 18 | 60.9% | 2.35 |
| Group | 269 | 49.9% | 2.08 |
| 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 2009; examiner may not yet have been active in the available dataset. | |||
| 2009 | 5 | 0 | 0.0% |
| 2010 | 14 | 0 | 0.0% |
| 2011 | 2 | 0 | 0.0% |
| 2012 | 5 | 1 | 20.0% |
| 2013 | 12 | 2 | 16.7% |
| 2014 | 2 | 0 | 0.0% |
| 2015 | 1 | 1 | 100.0% |
| No observed data after 2015; examiner may have gone inactive or moved out of examining work. | |||
4 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 41 | 0.0% | 17.1% | 73.2% | 4.9% |
| 2 | 25 | 0.0% | 8.0% | 92.0% | 0.0% |
| 3 | 10 | 0.0% | 10.0% | 80.0% | 10.0% |
| 4 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| 5 | 4 | 0.0% | 0.0% | 100.0% | 0.0% |
| 6 | 2 | 0.0% | 50.0% | 50.0% | 0.0% |
| 7 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |