Prosecution Insights
Last updated: October 26, 2026

John Seungjai Kwon, USPTO Patent Examiner

Listed by the USPTO as KWON, JOHN SEUNGJAI

Tech Center 3700 • Art Units: 1615 1712 3783

This examiner grants 45% of resolved cases

Analysis

John Seungjai Kwon operates in Art Unit 1615 within Tech Center 3700, where he has managed 118 resolved cases. The allowance rate for this examiner is 44.9 percent, which is on the lower side and suggests a more rigorous examination process. The median time to reach an allowance is 1286 days, reflecting a longer pendency for successful applications. Despite the 44.9 percent allowance rate, applicants can benefit from a 20.2 percent interview lift. This 20.2 percent lift indicates that interviews are an effective strategy for overcoming examiner objections.

Top companies such as L’Oréal, Antecip Bioventures Ii LLC, and Nacuity Pharmaceuticals Inc. have appeared before this examiner. These applicants are frequently represented by firms like DINSMORE & SHOHL LLP, FOLEY & LARDNER LLP, and MYERS BIGEL, P.A. Given the 1286 median days to allowance and the 44.9 percent allowance rate, practitioners should be prepared for a persistent prosecution effort. Utilizing the 20.2 percent interview lift may be the most efficient way to navigate the 118 resolved cases and secure a grant in the tech center.

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

Performance Statistics

44.9%
Allow Rate
-25.1% vs TC avg
163
Total Applications
+20.2%
Interview Lift
1286
Avg Prosecution Days
Based on 118 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
12.6%
§102 Novelty
69.2%
§103 Obviousness
12.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18986390 TREATMENT OF POOR METABOLIZERS OF DEXTROMETHORPHAN WITH A COMBINATION OF BUPROPION AND DEXTROMETHORPHAN Non-Final OA ANTECIP BIOVENTURES II LLC
18865710 PROTEIN PARTICLES INCLUDING AN ACTIVE AGENT AND METHODS OF MAKING AND USING THE SAME Non-Final OA Cornell University

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner John Seungjai Kwon's allowance rate?

44.9% of resolved applications examined by John Seungjai Kwon were allowed (118 resolved cases), compared with 43.4% across Art Unit 1615 over the last five years.

Does an interview help with examiner John Seungjai Kwon?

This examiner's interview lift is +20.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John Seungjai Kwon take to allow a patent?

Applications allowed by John Seungjai Kwon took 1,286 days on average from filing to allowance.

Which art unit does examiner John Seungjai Kwon work in?

John Seungjai Kwon examines applications in Art Unit 1615 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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