AI Patent Analysis Toolkit
PatentAgility
by KellDann

Examiner Sigmund Tang

Appears inactive Last observed office action: August 2014 (140 months ago).

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
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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)
Art Units Seen
2612 , 2684
Work Groups Seen

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

0.0% 25.0% 50.0% 75.0% 100.0% 2008 2009 2010 2011 2012 2013 2014
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%