Prosecution Insights
Last updated: October 26, 2026

Jun S Yoo, USPTO Patent Examiner

Listed by the USPTO as YOO, JUN S

Tech Center 3700 • Art Units: 3642 3725 3726

This examiner grants 79% of resolved cases

Analysis

YOO, JUN S is assigned to tech center 3700 and art unit 3642. His record covers 587 resolved cases, with an allowance rate of 78.7% and a median of 887 days to allowance. Interviews show a 20.1% lift, indicating a positive association with allowance outcomes.

Airbus Operations, Schaeffler Technologies, and Textron are the listed companies. The listed firms are Dority & Manning, P.A. and Techtronic Cordless GP, GREER, BURNS & CRAIN, LTD, and IP GROUP OF DLA PIPER LLP (US). Interview preparation may support an already favorable prosecution profile.

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

Performance Statistics

78.7%
Allow Rate
+8.7% vs TC avg
606
Total Applications
+20.1%
Interview Lift
887
Avg Prosecution Days
Based on 587 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
15.0%
§102 Novelty
53.4%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18501671 POCKET HOLE JIG Final Rejection Techtronic Cordless GP
18338686 POCKET HOLE JIG Final Rejection Techtronic Cordless GP
18842798 METHOD FOR PRODUCING ROLLING BEARING COMPONENTS WITH A HIGH DEGREE OF TOUGHNESS Final Rejection Schaeffler Technologies AG & Co. KG
18729594 METHOD FOR PROLONGING THE LIFE OF A PRODUCT Non-Final OA AKTIEBOLAGET SKF
17833376 FORMING SYSTEM AND FORMING METHOD Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.
18357096 METHOD FOR MANUFACTURING A HOROLOGICAL COMPONENT Non-Final OA ROLEX SA
18601111 Tool Holder Non-Final OA Techniks, LLC

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Jun S Yoo's allowance rate?

78.7% of resolved applications examined by Jun S Yoo were allowed (587 resolved cases), compared with 67.2% across Art Unit 3642 over the last five years.

Does an interview help with examiner Jun S Yoo?

This examiner's interview lift is +20.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jun S Yoo take to allow a patent?

Applications allowed by Jun S Yoo took 887 days on average from filing to allowance.

Which art unit does examiner Jun S Yoo work in?

Jun S Yoo examines applications in Art Unit 3642 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month