Prosecution Insights
Last updated: October 26, 2026

Yong Sok Kwon, USPTO Patent Examiner

Listed by the USPTO as KWON, YONG SOK

Tech Center 1600 • Art Units: 1600 1613 1614 1625

This examiner grants 25% of resolved cases

Analysis

KWON, YONG SOK is assigned to tech center 1600 and art unit 1600. The record includes 61 resolved cases, an allowance rate of 24.6%, and a median of 1313 days to allowance. The interview lift is 42.7%, indicating a positive association between interviews and allowance outcomes despite the reported allowance rate.

The listed companies are Monsanto Technology LLC, Zhejiang Yangli Pharmaceutical Technology Co. Ltd., and DSM IP Assets B.V. The listed firms are BLANK ROME LLP, CR MILES, P.C., and DAMBROSIO & MENON, P.L.L.C. Interview preparation may be particularly relevant to prosecution planning in this record.

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

Performance Statistics

24.6%
Allow Rate
-35.4% vs TC avg
79
Total Applications
+42.7%
Interview Lift
1313
Avg Prosecution Days
Based on 61 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
15.3%
§102 Novelty
39.4%
§103 Obviousness
23.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17640253 NOVEL COMPOSITIONS Final Rejection DSM IP ASSETS B.V.
17642595 PREMIX AND COMPOSITION AND METHODS OF PREPARING THE SAME Non-Final OA Conopco, Inc., d/b/a UNILEVER

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Frequently Asked Questions

What is examiner Yong Sok Kwon's allowance rate?

24.6% of resolved applications examined by Yong Sok Kwon were allowed (61 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Yong Sok Kwon?

This examiner's interview lift is +42.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yong Sok Kwon take to allow a patent?

Applications allowed by Yong Sok Kwon took 1,313 days on average from filing to allowance.

Which art unit does examiner Yong Sok Kwon work in?

Yong Sok Kwon examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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