Prosecution Insights
Last updated: August 18, 2026

Examiner: YOO, JUN S

Tech Center 3700 • Art Units: 3642 3726

This examiner grants 78% of resolved cases

Performance Statistics

78.3%
Allow Rate
+8.3% vs TC avg
600
Total Applications
+20.9%
Interview Lift
882
Avg Prosecution Days
Based on 575 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
15.0%
§102 Novelty
53.4%
§103 Obviousness
29.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18842798 METHOD FOR PRODUCING ROLLING BEARING COMPONENTS WITH A HIGH DEGREE OF TOUGHNESS Final Rejection Schaeffler Technologies AG & Co. KG
19103390 DEVICE AND METHOD FOR ATTACHING AIRCRAFT ENGINE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18450527 JIGS AND METHODS FOR DRILLING OR REAMING HOLES IN A WORKPIECE Non-Final OA The Boeing Company
18501671 POCKET HOLE JIG Non-Final OA Techtronic Cordless GP
18338686 POCKET HOLE JIG Non-Final OA Techtronic Cordless GP
17833376 FORMING SYSTEM AND FORMING METHOD Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.
18338785 ROTARY DRILLING TOOL AS WELL AS METHOD FOR PRODUCING A THROUGH-HOLE Non-Final OA KENNAMETAL INC.

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