Examiner Sung Min Yoon

Appears inactive Last observed office action: April 2023 (35 months ago).

Examiner Sung Min Yoon appears to be very easy relative to their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 58.1%, they average 1.84 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 Very Easy

Average OA / Grant 1.84

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Examiner Details

Observed Examiner Years: 4 years (2020-2023)
Tech Center: 1600 - Biotechnology and Organic
Group: 1640 - Immunology

Metrics

Applications Evaluated: 74
Granted Applications: 43
Non-Granted Applications: 31
Avg OA / Grant: 1.84
Last OA Observed: April 2023 (35 months ago)
Art Units Seen: 1643
Work Groups Seen: 1640 - Immunology

Context Comparison

Scope	Examiners	Lifetime Grant Ratio	Avg OA / Grant
This Examiner	1	58.1%	1.84
Art Unit	25	40.8%	1.82
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
No observed data before 2020; examiner may not yet have been active in the available dataset.
2020	3	2	66.7%
2021	21	12	57.1%
2022	40	23	57.5%
2023	10	6	60.0%
No observed data after 2023; examiner may have gone inactive or moved out of examining work.

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

Rejection Timeline

OA #	Office Actions	§ 101 Percentage	§ 102 Percentage	§ 103 Percentage	§ 112 Percentage
1	100	0.0%	4.0%	48.0%	11.0%
2	62	0.0%	3.2%	54.8%	16.1%
3	25	4.0%	8.0%	52.0%	4.0%
4	13	7.7%	7.7%	61.5%	7.7%

§ 101 Yearly Trend

0.0%

2020

0.0%

2021

2.3%

2022

0.0%

2023

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