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PatentAgility
by KellDann

Examiner Yonchan J Kim

Examiner Yonchan J Kim appears to be more difficult than most of their art unit, group, tech center, and USPTO peers. Their lifetime grant ratio is 58.8%, they average 1.95 office actions per granted patent, and their rejection profile is dominated by ยง103.

Difficulty vs AU Very Hard
Difficulty vs Group Very Hard
Difficulty vs TC Very Hard
Difficulty vs USPTO Very Easy
Average OA / Grant 1.95
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Examiner Details

Observed Examiner Years
7 years (2020-2026)
Phone
(571) 272-3204
Predicted Supervisor
Dimary Lopez
Supervisor Phone
(571) 270-7893
Tech Center
2800 - Semiconductors, Electrical and Optical Systems and Components
Group
2840 - Electrical Circuits and Systems

Metrics

Applications Evaluated
211
Granted Applications
124
Non-Granted Applications
87
Avg OA / Grant
1.95
Last OA Observed
March 2026 (2 months ago)
Art Units Seen
2845
Work Groups Seen

Context Comparison

Scope Examiners Lifetime Grant Ratio Avg OA / Grant
This Examiner 1 58.8% 1.95
Art Unit 50 67.7% 1.67
Group 230 70.5% 1.61
Tech Center 2,370 64.7% 1.69
USPTO 16,116 54.8% 1.98

Grant Timeline

0.0% 25.0% 50.0% 75.0% 100.0% 2020 2021 2022 2023 2024 2025 2026
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 2 2 100.0%
2021 27 24 88.9%
2022 47 37 78.7%
2023 33 24 72.7%
2024 28 23 82.1%
2025 50 14 28.0%
2026 24 0 0.0%

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

Rejection Timeline

OA # Office Actions § 101 Percentage § 102 Percentage § 103 Percentage § 112 Percentage
1 211 0.0% 6.6% 87.7% 4.7%
2 133 0.0% 3.0% 88.0% 7.5%
3 55 0.0% 1.8% 80.0% 14.5%
4 23 0.0% 4.3% 87.0% 8.7%
5 12 0.0% 0.0% 75.0% 16.7%
6 5 0.0% 0.0% 100.0% 0.0%
7 1 0.0% 0.0% 100.0% 0.0%