Prosecution Insights
Last updated: October 02, 2026

Examiner: YOO, JUN S

Tech Center 3700 • Art Units: 3642 3726

This examiner grants 79% of resolved cases

Analysis

Examiner Jun S Yoo, working in Tech Center 3700 and Art Unit 3642, shows an allowance rate of 78.6 percent. This rate is based on a total of 583 resolved cases. The data indicates the probability of receiving a grant in this specific art unit for patent applicants.

The prosecution process moves at a median pace of 886 days to allowance. This duration is paired with an interview lift of 20.3 percent. While the 78.6 percent allowance rate is the starting point, the lift indicates that interviews provide an additional advantage for applications in the 583 resolved cases.

Practitioners should note the 886-day median timeline for successful outcomes. The 20.3 percent interview lift serves as a tool to potentially increase the 78.6 percent allowance rate. These metrics define the procedural landscape for Examiner Jun S Yoo in Art Unit 3642.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

78.6%
Allow Rate
+8.6% vs TC avg
604
Total Applications
+20.3%
Interview Lift
886
Avg Prosecution Days
Based on 583 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
14.8%
§102 Novelty
54.0%
§103 Obviousness
28.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18947933 SYSTEM AND METHOD FOR A MANUFACTURING ENVIRONMENT WITH ROBOTIC SYSTEM MOUNTS HAVING ONE OR MORE END EFFECTORS POSITIONED SYMPATHETIC TO THE UNDERLYING MANUFACTURED ITEM Final Rejection Airbus Operations GmbH
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.
19058672 Method of Assembly and Repair for a Separable Structure Having a Plurality of Panels Final Rejection Textron Aviation Inc.
17833376 FORMING SYSTEM AND FORMING METHOD Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.
19060396 ROBOT ARRANGEMENT FOR ASSEMBLING A PART Final Rejection CRANFIELD UNIVERSITY
18338785 ROTARY DRILLING TOOL AS WELL AS METHOD FOR PRODUCING A THROUGH-HOLE Non-Final OA KENNAMETAL INC.
18435412 METHOD AND WIRE PROCESSING MACHINE THAT PRODUCES SHAPED PARTS FROM INSULATED FLAT MATERIAL Non-Final OA WAFIOS Aktiengesellschaft
18653219 Tool cartridge for supporting tool parts, in particular a multi-part machining tool for a punching and/or forming apparatus, combination and set Non-Final OA PASS Stanztechnik AG
18601111 Tool Holder Non-Final OA Techniks, LLC
18470545 Metal Sheet Screw Position Template Non-Final OA M&A SERVICES, LLC

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