Examiner David Chong
Examiner David Chong appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 0.0% 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
Very Hard
Average OA / Grant
N/A
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Examiner Details
- Observed Examiner Years
- 2 years (2007-2008)
- Tech Center
- 1700 - Chemical and Materials Engineering
- Group
- 1790 - Food, Analytical Chemistry, Sterilization, Biochemistry, Electrochemistry
Metrics
- Applications Evaluated
- 7
- Granted Applications
- 0
- Non-Granted Applications
- 7
- Avg OA / Grant
- N/A
- Last OA Observed
- May 2008 (214 months ago)
- Art Units Seen
- 1797
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 0.0% | N/A |
| Art Unit | 42 | 49.2% | 1.93 |
| Group | 307 | 37.1% | 2.11 |
| Tech Center | 1,713 | 47.3% | 2.14 |
| 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 |
|---|---|---|---|
| 2007 | 1 | 0 | 0.0% |
| 2008 | 6 | 0 | 0.0% |
| No observed data after 2008; examiner may have gone inactive or moved out of examining work. | |||
0 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 7 | 0.0% | 0.0% | 100.0% | 0.0% |