Prosecution Insights
Last updated: October 01, 2026

Examiner: HWANG, JOON H

Tech Center 2400 • Art Units: 2166 2400 2441 2447 2455 2458

This examiner grants 13% of resolved cases

Analysis

Joon H. Hwang is an examiner in Tech Center 2400 and Art Unit 2166. The examiner has 44 resolved cases, which result in an allowance rate of 9.1 percent. This figure indicates the frequency with which applications reach allowance under this examiner's supervision. The median days to allowance is 1742, reflecting the time required for applications that achieve a grant in this art unit.

The interview lift is 7.2 percent, which suggests that conducting an interview is associated with an increased probability of allowance compared to the 9.1 percent base rate. Given the 1742-day median pendency, practitioners should evaluate the impact of this 7.2 percent lift on their prosecution strategy. In Art Unit 2166, the 44 resolved cases provide a data-driven look at the examination process, where direct communication may provide a benefit for applicants seeking to improve their success rate.

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

Performance Statistics

13.0%
Allow Rate
-45.0% vs TC avg
57
Total Applications
+4.1%
Interview Lift
1713
Avg Prosecution Days
Based on 46 resolved cases, 2023–2026

Rejection Statute Breakdown

11.2%
§101 Eligibility
17.3%
§102 Novelty
55.4%
§103 Obviousness
11.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18792431 METHOD AND APPARATUS FOR SATELLITE SWITCHING IN NON-TERRETRIAL NETWORK Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
19002967 SYSTEM AND METHOD FOR PROVIDING SEARCH SERVICE WITH CHATROOM Final Rejection Kakao Corp.
18789841 SYNCHRONIZATION MANAGEMENT IN LOWER-LAYER SPLIT RADIO ACCESS NETWORKS Non-Final OA DISH Wireless L.L.C.

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