Examiner Tuan Nguyen

Appears inactive Last observed office action: September 2023 (31 months ago).

Examiner Tuan Nguyen appears to be about average relative to their peer examiners. Their lifetime grant ratio is 77.2%, they average 2.03 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU About Average

Difficulty vs Group Very Easy

Difficulty vs TC Very Easy

Difficulty vs USPTO About Average

Average OA / Grant 2.03

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Examiner Details

Observed Examiner Years: 16 years (2008-2023)
Tech Center: 3900 - Reexam and Abandonment
Group: 3990 - 3990

Metrics

Applications Evaluated: 114
Granted Applications: 88
Non-Granted Applications: 26
Avg OA / Grant: 2.03
Last OA Observed: September 2023 (31 months ago)
Art Units Seen: 2813 , 3991 , 3992
Work Groups Seen: 3990 - 3990

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	77.2%	2.03
Art Unit	16	68.0%	1.77
Group	70	57.3%	2.28
Tech Center	67	56.8%	2.31
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	15	11	73.3%
No observed data for 2009-2014.
2015	8	3	37.5%
2016	7	2	28.6%
2017	11	8	72.7%
2018	11	9	81.8%
2019	15	11	73.3%
2020	11	9	81.8%
2021	17	17	100.0%
2022	9	8	88.9%
2023	10	10	100.0%
No observed data after 2023; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	115	0.0%	21.7%	47.0%	3.5%
2	61	0.0%	16.4%	44.3%	4.9%
3	34	0.0%	17.6%	64.7%	0.0%
4	24	0.0%	8.3%	75.0%	0.0%
5	12	0.0%	0.0%	66.7%	8.3%
6	5	0.0%	0.0%	60.0%	0.0%
7	3	0.0%	0.0%	66.7%	0.0%
8	2	0.0%	0.0%	50.0%	0.0%
9	1	0.0%	0.0%	100.0%	0.0%
10	1	0.0%	0.0%	100.0%	0.0%