Examiner Jeffrey Chang

Appears inactive Last observed office action: June 2014 (141 months ago).

Examiner Jeffrey Chang appears to be about average relative to their peer examiners. Their lifetime grant ratio is 63.9%, they average 2.65 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Easy

Difficulty vs Group Very Easy

Difficulty vs TC About Average

Difficulty vs USPTO About Average

Average OA / Grant 2.65

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Examiner Details

Observed Examiner Years: 7 years (2008-2014)
Tech Center: 2100 - Computer Architecture Software and Information Security
Group: 2150 - Databases and File Management

Metrics

Applications Evaluated: 133
Granted Applications: 85
Non-Granted Applications: 48
Avg OA / Grant: 2.65
Last OA Observed: June 2014 (141 months ago)
Art Units Seen: 2159 , 2169
Work Groups Seen: 2150 - Databases and File Management

2160 - Databases and File Management

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	63.9%	2.65
Art Unit	18	63.0%	2.72
Group	120	60.4%	2.66
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	5	2	40.0%
2009	25	6	24.0%
2010	38	30	78.9%
2011	21	16	76.2%
2012	21	18	85.7%
2013	15	8	53.3%
2014	8	5	62.5%
No observed data after 2014; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	133	0.0%	33.8%	63.9%	0.0%
2	97	0.0%	18.6%	80.4%	0.0%
3	64	0.0%	9.4%	90.6%	0.0%
4	37	0.0%	8.1%	91.9%	0.0%
5	18	0.0%	5.6%	94.4%	0.0%
6	6	0.0%	0.0%	100.0%	0.0%
7	4	0.0%	0.0%	100.0%	0.0%
8	1	0.0%	0.0%	100.0%	0.0%