Examiner Sangwoo Ahn

Appears inactive Last observed office action: December 2017 (102 months ago).

Examiner Sangwoo Ahn appears to be about average relative to their peer examiners. Their lifetime grant ratio is 64.6%, they average 2.83 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU About Average

Difficulty vs Group About Average

Difficulty vs TC About Average

Difficulty vs USPTO About Average

Average OA / Grant 2.83

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Examiner Details

Observed Examiner Years: 10 years (2008-2017)
Tech Center: 2100 - Computer Architecture Software and Information Security
Group: 2160 - Databases and File Management

Metrics

Applications Evaluated: 288
Granted Applications: 186
Non-Granted Applications: 102
Avg OA / Grant: 2.83
Last OA Observed: December 2017 (102 months ago)
Art Units Seen: 2166 , 2168
Work Groups Seen: 2160 - Databases and File Management

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	64.6%	2.83
Art Unit	23	58.3%	2.82
Group	193	61.2%	2.52
Tech Center	1,706	55.9%	2.19
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	19	7	36.8%
2009	29	11	37.9%
2010	25	19	76.0%
2011	30	19	63.3%
2012	25	17	68.0%
2013	36	28	77.8%
2014	35	24	68.6%
2015	37	24	64.9%
2016	34	24	70.6%
2017	18	13	72.2%
No observed data after 2017; examiner may have gone inactive or moved out of examining work.

186 family-cache-validated grants; 0 OA-only grant signals.

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	291	3.1%	22.0%	72.5%	1.0%
2	211	1.9%	12.8%	83.9%	0.5%
3	130	2.3%	9.2%	88.5%	0.0%
4	89	3.4%	5.6%	87.6%	0.0%
5	49	0.0%	4.1%	89.8%	0.0%
6	24	0.0%	4.2%	87.5%	0.0%
7	11	0.0%	9.1%	72.7%	0.0%
8	8	0.0%	12.5%	62.5%	0.0%
9	4	0.0%	0.0%	50.0%	0.0%
10	4	0.0%	0.0%	50.0%	0.0%

§ 101 Yearly Trend

2014: Alice

3.0%

2008

2.5%

2009

1.2%

2010

2.2%

2011

3.7%

2012

0.0%

2013

2.7%

2014

4.2%

2015

1.7%

2016

0.0%

2017

Each bar shows the share of this examiner's observed office actions in that year that included a § 101 rejection.