Examiner Ian Dang

Appears inactive Last observed office action: September 2013 (150 months ago).

Examiner Ian Dang appears to be about average relative to their peer examiners. Their lifetime grant ratio is 52.8%, they average 2.13 office actions per granted patent, and their rejection profile leans toward §112 and elevated §112 usage.

Difficulty vs AU About Average

Difficulty vs Group About Average

Difficulty vs TC About Average

Difficulty vs USPTO Very Hard

Average OA / Grant 2.13

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Examiner Details

Observed Examiner Years: 7 years (2007-2013)
Tech Center: 1600 - Biotechnology and Organic
Group: 1640 - Immunology

Metrics

Applications Evaluated: 233
Granted Applications: 123
Non-Granted Applications: 110
Avg OA / Grant: 2.13
Last OA Observed: September 2013 (150 months ago)
Art Units Seen: 1647
Work Groups Seen: 1640 - Immunology

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	52.8%	2.13
Art Unit	36	42.6%	1.60
Group	223	44.8%	1.94
Tech Center	1,349	39.5%	2.02
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
2007	6	4	66.7%
2008	46	16	34.8%
2009	44	23	52.3%
2010	29	19	65.5%
2011	40	21	52.5%
2012	43	24	55.8%
2013	25	16	64.0%
No observed data after 2013; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	233	1.3%	16.7%	42.1%	32.6%
2	141	2.8%	5.7%	31.9%	46.8%
3	60	3.3%	6.7%	28.3%	45.0%
4	23	0.0%	0.0%	30.4%	60.9%
5	7	0.0%	14.3%	57.1%	28.6%
6	1	0.0%	0.0%	100.0%	0.0%

§ 101 Yearly Trend

0.0%

2007

0.0%

2008

1.1%

2009

1.2%

2010

3.5%

2011

4.3%

2012

3.3%

2013

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