Examiner Ngoc Thach D. Nguyen

Appears inactive Last observed office action: June 2017 (108 months ago).

Examiner Ngoc Thach D. Nguyen appears to be very difficult relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 53.7%, they average 2.68 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 2.68

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Examiner Details

Observed Examiner Years: 7 years (2011-2017)
Tech Center: 2400 - Computer Networks, Multiplex, Cable and Cryptography/Security
Group: 2490 - Cryptography and Cybersecurity

Metrics

Applications Evaluated: 121
Granted Applications: 65
Non-Granted Applications: 56
Avg OA / Grant: 2.68
Last OA Observed: June 2017 (108 months ago)
Art Units Seen: 2494
Work Groups Seen: 2490 - Cryptography and Cybersecurity

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	53.7%	2.68
Art Unit	23	67.4%	2.05
Group	195	62.9%	2.06
Tech Center	1,727	60.4%	2.14
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 2011; examiner may not yet have been active in the available dataset.
2011	14	7	50.0%
2012	19	8	42.1%
2013	25	10	40.0%
2014	18	10	55.6%
2015	14	13	92.9%
2016	21	13	61.9%
2017	10	4	40.0%
No observed data after 2017; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	121	0.0%	5.0%	90.9%	0.0%
2	84	0.0%	2.4%	97.6%	0.0%
3	54	0.0%	0.0%	96.3%	3.7%
4	39	0.0%	0.0%	100.0%	0.0%
5	18	0.0%	0.0%	100.0%	0.0%
6	13	0.0%	0.0%	100.0%	0.0%
7	5	0.0%	0.0%	100.0%	0.0%
8	2	0.0%	0.0%	100.0%	0.0%