Examiner Stamford Hwang

Examiner Stamford Hwang appears to be about average relative to their peer examiners. Their lifetime grant ratio is 13.9%, they average 1.60 office actions per granted patent, and their rejection profile is dominated by §103.

Difficulty vs AU About Average

Difficulty vs Group About Average

Difficulty vs TC About Average

Difficulty vs USPTO About Average

Average OA / Grant 1.60

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Examiner Details

Observed Examiner Years: 17 years (2010-2026)
Phone: (571) 272-7904
Predicted Supervisor: Charles Appiah
Supervisor Phone: (571) 272-7904
Tech Center: 2600 - Communications
Group: 2640 - Telecommunications

Metrics

Applications Evaluated: 36
Granted Applications: 5
Non-Granted Applications: 31
Avg OA / Grant: 1.60
Last OA Observed: June 2026 (0 months ago)
Art Units Seen: 2617 , 2641
Work Groups Seen: 2610 - Computer Graphic Processing and Hardware

2640 - Telecommunications

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	13.9%	1.60
Art Unit	24	52.2%	2.19
Group	223	58.9%	2.06
Tech Center	1,747	58.1%	1.88
USPTO	16,348	53.5%	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 2010; examiner may not yet have been active in the available dataset.
2010	2	1	50.0%
2011	9	1	11.1%
2012	1	1	100.0%
No observed data for 2013.
2014	1	0	0.0%
No observed data for 2015-2016.
2017	1	0	0.0%
No observed data for 2018-2019.
2020	2	0	0.0%
2021	3	0	0.0%
No observed data for 2022-2024.
2025	9	2	22.2%
2026	8	0	0.0%

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	27	0.0%	11.1%	81.5%	7.4%
2	15	0.0%	6.7%	86.7%	6.7%
3	8	0.0%	0.0%	87.5%	12.5%
4	5	0.0%	20.0%	80.0%	0.0%
5	1	0.0%	0.0%	100.0%	0.0%