Examiner Daniel Duong

Appears inactive Last observed office action: February 2017 (112 months ago).

Examiner Daniel Duong appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 42.4%, they average 2.80 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU Very Hard

Difficulty vs Group Very Hard

Difficulty vs TC Very Hard

Difficulty vs USPTO Very Hard

Average OA / Grant 2.80

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Examiner Details

Observed Examiner Years: 4 years (2014-2017)
Tech Center: 2600 - Communications
Group: 2690 - Videophones and Telephonic Communications / Digital Audio

Metrics

Applications Evaluated: 59
Granted Applications: 25
Non-Granted Applications: 34
Avg OA / Grant: 2.80
Last OA Observed: February 2017 (112 months ago)
Art Units Seen: 2691
Work Groups Seen: 2690 - Videophones and Telephonic Communications / Digital Audio

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	42.4%	2.80
Art Unit	21	54.3%	2.01
Group	96	52.6%	2.11
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 2014; examiner may not yet have been active in the available dataset.
2014	6	1	16.7%
2015	18	5	27.8%
2016	31	17	54.8%
2017	4	2	50.0%
No observed data after 2017; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	59	0.0%	6.8%	93.2%	0.0%
2	38	0.0%	5.3%	92.1%	0.0%
3	25	0.0%	4.0%	96.0%	0.0%
4	13	0.0%	7.7%	92.3%	0.0%
5	5	0.0%	0.0%	100.0%	0.0%
6	3	0.0%	0.0%	100.0%	0.0%