Examiner Sigmund Tang
Examiner Sigmund Tang appears to be about average relative to their peer examiners. Their lifetime grant ratio is 60.4%, they average 1.91 office actions per granted patent, and their rejection profile is dominated by ยง103.
Difficulty vs AU
About Average
Difficulty vs Group
Very Easy
Difficulty vs TC
About Average
Difficulty vs USPTO
Very Easy
Average OA / Grant
1.91
Export
Word
PDF
Create account to export.
Examiner Details
- Observed Examiner Years
- 7 years (2008-2014)
- Tech Center
- 2600 - Communications
- Group
- 2610 - Computer Graphic Processing and Hardware
Metrics
- Applications Evaluated
- 149
- Granted Applications
- 90
- Non-Granted Applications
- 59
- Avg OA / Grant
- 1.91
- Last OA Observed
- August 2014 (140 months ago)
Context Comparison
| Scope | Examiners | Lifetime Grant Ratio | Avg OA / Grant |
|---|---|---|---|
| This Examiner | 1 | 60.4% | 1.91 |
| Art Unit | 44 | 52.3% | 1.75 |
| Group | 290 | 50.2% | 1.92 |
| Tech Center | 1,729 | 59.3% | 1.88 |
| 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 | 20 | 11 | 55.0% |
| 2009 | 20 | 12 | 60.0% |
| 2010 | 26 | 18 | 69.2% |
| 2011 | 28 | 13 | 46.4% |
| 2012 | 26 | 15 | 57.7% |
| 2013 | 21 | 17 | 81.0% |
| 2014 | 8 | 4 | 50.0% |
| No observed data after 2014; examiner may have gone inactive or moved out of examining work. | |||
90 family-cache-validated grants; 0 OA-only grant signals.
Rejection Timeline
| OA # | Office Actions | § 101 Percentage | § 102 Percentage | § 103 Percentage | § 112 Percentage |
|---|---|---|---|---|---|
| 1 | 149 | 0.0% | 2.7% | 87.9% | 2.7% |
| 2 | 76 | 0.0% | 0.0% | 96.1% | 1.3% |
| 3 | 37 | 0.0% | 0.0% | 91.9% | 5.4% |
| 4 | 20 | 0.0% | 0.0% | 95.0% | 5.0% |
| 5 | 7 | 0.0% | 0.0% | 100.0% | 0.0% |
| 6 | 2 | 0.0% | 0.0% | 100.0% | 0.0% |
| 7 | 1 | 0.0% | 0.0% | 100.0% | 0.0% |