Prosecution Insights
Last updated: April 19, 2026

Examiner: YOO, JUN S

Tech Center 3700 • Art Units: 3726

This examiner grants 78% of resolved cases

Performance Statistics

78.0%
Allow Rate
+8.0% vs TC avg
584
Total Applications
+21.3%
Interview Lift
923
Avg Prosecution Days
Based on 567 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
18.6%
§102 Novelty
50.5%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18340551 MACHINE TOOL Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
17833376 FORMING SYSTEM AND FORMING METHOD Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
18574747 COATED TOOL AND CUTTING TOOL Non-Final OA KYOCERA CORPORATION
18274589 SURFACE-COATED CUTTING TOOL Non-Final OA MITSUBISHI MATERIALS CORPORATION
18842798 METHOD FOR PRODUCING ROLLING BEARING COMPONENTS WITH A HIGH DEGREE OF TOUGHNESS Non-Final OA Schaeffler Technologies AG & Co. KG
19060396 ROBOT ARRANGEMENT FOR ASSEMBLING A PART Non-Final OA CRANFIELD UNIVERSITY
18563967 METHOD FOR MANUFACTURING A TIMEPIECE MOVEMENT COMPONENT Final Rejection ROLEX SA
18848354 ANNULAR SEAL MATERIAL AND MANUFACTURING METHOD Non-Final OA VALQUA, LTD.
18351679 CUTTING BLADE STOCK APPARATUS Non-Final OA DISCO CORPORATION
18279456 METAL CUTTING MILLING TOOL Non-Final OA AB SANDVIK COROMANT
18335279 Cutting Machining Apparatus Non-Final OA NISSIN MANUFACTURING CO., LTD.

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