Prosecution Insights
Last updated: October 26, 2026

Won Jun Choi, USPTO Patent Examiner

Listed by the USPTO as CHOI, WON JUN

Tech Center 2400 • Art Units: 2411

This examiner grants 72% of resolved cases

Analysis

CHOI, WON JUN is assigned to Tech Center 2400 and Art Unit 2411. The dataset includes 39 resolved cases, a 71.8% allowance rate, and a median of 1315 days to allowance. Interviews show a 10.6% lift, indicating a positive association with allowance outcomes.

Qualcomm Incorporated, Nippon Telegraph and Telephone Corporation, and ZTE Corporation are the listed leading companies. AMIN, TUROCY & WATSON, LLP, Apple Inc. -- FKM, and Armis Intellectual Property Law, LLC are the listed leading firms. Practitioners should plan for the reported duration and evaluate interviews as one part of case strategy.

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

Performance Statistics

71.8%
Allow Rate
+13.8% vs TC avg
95
Total Applications
+10.6%
Interview Lift
1315
Avg Prosecution Days
Based on 39 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
20.6%
§102 Novelty
54.5%
§103 Obviousness
20.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18684102 METHODS AND APPARATUS FOR USER EQUIPMENT ALLOCATION Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18025352 Coordination of Acknowledgement Feedback for Spatial-Reuse Based TXOP Sharing Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18952529 ELECTRONIC DEVICE AND CONTROLLING METHOD OF ELECTRONIC DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18314283 SYSTEMS, METHODS, AND DEVICES FOR DYNAMICALLY ADAPTING UE CA CAPABILITY REPORTING Non-Final OA Apple Inc.
17933918 Uplink Latency Enhancements Final Rejection Apple Inc.
18939718 ELECTRONIC DEVICE, METHOD, AND STORAGE MEDIUM STORING PROGRAM Non-Final OA CANON KABUSHIKI KAISHA
18879515 METHOD, DEVICE AND COMPUTER READABLE MEDIUM OF COMMUNICATION Non-Final OA NEC Corporation
17920614 METHODS, DEVICES AND COMPUTER STORAGE MEDIA FOR COMMUNICATION Final Rejection NEC CORPORATION
18721267 MULTIPLE TIMING ADVANCES FOR MULTIPLE TRANSMISSION RECEPTION POINTS Final Rejection QUALCOMM Incorporated
18277767 METHODS AND APPARATUS FOR UL TX SWITCHING OF MULTIPLE TX CASES Non-Final OA QUALCOMM Incorporated
17814498 GRANT-FREE NOMA COMMUNICATION IN SIDELINK Non-Final OA QUALCOMM Incorporated
17544692 INTER-BASE STATION CROSS-LINK INTERFERENCE CHANNEL MEASUREMENTS Final Rejection QUALCOMM Incorporated
18069477 METHOD FOR PROCESSING A DATA PACKET IN A COMMUNICATION NETWORK, METHOD FOR PROCESSING A REQUEST TO CHANGE THE QUALITY OF SERVICE LEVEL OF A CONNECTION, METHOD FOR REQUESTING TO CHANGE THE QUALITY OF SERVICE LEVEL OF A CONNECTION, METHOD FOR MANAGING A QUALITY OF SERVICE, CORRESPONDING DEVICES, SYSTEM AND COMPUTER PROGRAMS Non-Final OA ORANGE
18286481 TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION Non-Final OA NTT DOCOMO, INC.
18546672 COMMUNICATION DEVICE AND COMMUNICATION METHOD Non-Final OA NTT DOCOMO, INC.
17625603 TERMINAL Final Rejection NTT DOCOMO, INC.
18866541 IDENTIFICATION DEVICE AND IDENTIFICATION METHOD Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
18505380 SIDELINK INTER-UE COORDINATION PROCEDURES Final Rejection Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18898313 METHOD AND APPARATUS FOR AVOIDING UNNECESSARY WIRELESS TRANSMISSIONS Non-Final OA Sharp Kabushiki Kaisha
17764747 USER EQUIPMENTS, BASE STATIONS AND METHODS FOR CANCELLATION OF UPLINK SIGNAL(S) Final Rejection SHARP KABUSHIKI KAISHA
18833714 PERFORMANCE MONITORING AND REPORTING TO SUPPORT AIML OPERATION Final Rejection InterDigital Patent Holdings, Inc.
18771898 RESOURCE EXCLUSION Final Rejection Nokia Technologies Oy
18373344 Apparatus, Method and Computer Program Final Rejection Nokia Technologies Oy
18778046 WIRELESS COMMUNICATION METHOD FOR WIRELESS COMMUNICATION WITH AERIAL USER EQUIPMENT Final Rejection ZTE Corporation
18737318 CHANNEL STATE INFORMATION REPORTING IN WIRELESS COMMUNICATIONS Final Rejection ZTE Corporation
17889591 METHODS AND SYSTEMS FOR TRANSMITTING INTEGRATED ACCESS AND BACKHAUL INFORMATION Non-Final OA ZTE Corporation
17853375 HANDLING CONFIGURATIONS FOR REPORTING CHANNEL STATE INFORMATION Final Rejection ZTE CORPORATION

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Frequently Asked Questions

What is examiner Won Jun Choi's allowance rate?

71.8% of resolved applications examined by Won Jun Choi were allowed (39 resolved cases), compared with 68.5% across Art Unit 2411 over the last five years.

Does an interview help with examiner Won Jun Choi?

This examiner's interview lift is +10.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Won Jun Choi take to allow a patent?

Applications allowed by Won Jun Choi took 1,315 days on average from filing to allowance.

Which art unit does examiner Won Jun Choi work in?

Won Jun Choi examines applications in Art Unit 2411 in Tech Center 2400 (Networking & Security).

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