Examiner Bih-Tsern Cheng
Examiner Bih-Tsern Cheng 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 (2014-2015)
- Tech Center
- 2400 - Computer Networks, Multiplex, Cable and Cryptography/Security
- Group
- 2450 - Computer Networks
Metrics
- Applications Evaluated
- 13
- Granted Applications
- 0
- Non-Granted Applications
- 13
- Avg OA / Grant
- N/A
- Last OA Observed
- December 2015 (125 months ago)
- Art Units Seen
- 2459
- Work Groups Seen
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 0.0% | N/A |
| Art Unit | 14 | 42.8% | 2.87 |
| Group | 208 | 59.3% | 2.41 |
| Tech Center | 1,727 | 60.4% | 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 |
|---|---|---|---|
| No observed data before 2014; examiner may not yet have been active in the available dataset. | |||
| 2014 | 3 | 0 | 0.0% |
| 2015 | 10 | 0 | 0.0% |
| No observed data after 2015; 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 | 13 | 0.0% | 0.0% | 100.0% | 0.0% |
| 2 | 5 | 0.0% | 0.0% | 100.0% | 0.0% |
| 3 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |