Prosecution Insights
Last updated: October 02, 2026

Examiner: PARK, CHONGSUH

Tech Center 4100 • Art Units: 2154 2156 2478 2649 4100

This examiner grants 60% of resolved cases

Analysis

Chongsuh Park examines applications in Tech Center 4100 and Art Unit 2154, with 112 resolved cases. His allowance rate of 59.8% indicates a moderate probability of success for patent applicants. This 59.8% rate suggests that a majority of applications result in a grant. The 112 resolved cases provide a solid statistical basis for understanding the prosecution landscape in this art unit.

The median days to allowance for his cases is 1194. This 1194-day metric provides a benchmark for the time required to reach a successful resolution. For practitioners, the 1194 days to allowance is an important piece of information for managing client expectations and project timelines. This 1194-day figure reflects the typical pace of prosecution within Tech Center 4100 for this examiner.

The interview lift of 18.2% highlights the value of direct communication with the examiner. This 18.2% lift suggests that applications are more likely to be allowed if an interview is conducted. When combined with the 59.8% base allowance rate, the 18.2% lift underscores the effectiveness of oral advocacy. Practitioners should consider the 18.2% lift as a useful tool for managing the 112 resolved cases in Art Unit 2154.

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

Performance Statistics

59.8%
Allow Rate
At TC average
147
Total Applications
+18.2%
Interview Lift
1194
Avg Prosecution Days
Based on 112 resolved cases, 2023–2026

Rejection Statute Breakdown

9.2%
§101 Eligibility
5.9%
§102 Novelty
78.3%
§103 Obviousness
5.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18934047 METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18733282 ELECTRONIC DEVICE AND METHOD FOR OPERATING THE SAME Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18898483 Coordinated Channel Access in Wireless Communication Systems Non-Final OA Apple Inc.
18783290 METHOD AND APPARATUS FOR RANDOM ACCESS REPORT IN A WIRELESS COMMUNICATION SYSTEM Final Rejection ASUS Technology Licensing Inc.
18887890 Advanced Beamforming and Transmission Techniques for MIMO URLLC Applications Non-Final OA Huawei Technologies Co., Ltd.
18866455 METHOD FOR RESOURCES UTILIZATION OF NETWORK SLICES Non-Final OA Google LLC
18792059 METHOD AND DEVICE FOR SATELLITE SWITCHING IN NON-TERRESTRIAL NETWORK Final Rejection SHARP KABUSHIKI KAISHA
18862597 CHANNEL ACCESS SELECTION FOR PHYSICAL SIDELINK FEEDBACK CHANNEL (PSFCH) COMMUNICATIONS IN UNLICENSED BANDS Non-Final OA QUALCOMM Incorporated
18855796 FREQUENCY DOMAIN BASIS SELECTION FOR MULTIPLE TRANSMIT RECEIVE POINTS Non-Final OA QUALCOMM Incorporated
18903526 DATA COLLECTION FOR RADIO FREQUENCY SENSING Non-Final OA QUALCOMM Incorporated
18899724 RANDOM ACCESS RESPONSE FOR CODEWORD-BASED RANDOM ACCESS CHANNEL COMMUNICATIONS Non-Final OA QUALCOMM Incorporated
18887909 NETWORK CODING AND SEGMENTATION FOR PACKET DATA CONVERGENCE PROTOCOL COMMUNICATIONS Non-Final OA QUALCOMM Incorporated
18887862 NETWORK CODING FOR PACKET DATA CONVERGENCE PROTOCOL COMMUNICATIONS Non-Final OA QUALCOMM Incorporated
18792200 TRAFFIC ESTIMATION AND WIRELESS ACTIONS BASED ON WIRELESS TRAFFIC INGRESS RATES Final Rejection QUALCOMM Incorporated
18768819 USER-EQUIPMENT-SELECTED MEASUREMENT GAP SCHEDULING CONFIGURATION Final Rejection QUALCOMM Incorporated
18737823 FREQUENCY MODULATED CONTINUOUS WAVE BASED SYNCHRONIZATION SIGNAL Final Rejection QUALCOMM Incorporated
18652357 FEEDBACK ASSOCIATED WITH MULTIPLE INCREMENTAL REDUNDANCY SCHEME COMMUNICATIONS Final Rejection QUALCOMM Incorporated
18642114 TECHNIQUES FOR RANDOM ACCESS CHANNEL OCCASION CONFIGURATION FOR MULTI-PANEL COMMUNICATION Final Rejection QUALCOMM Incorporated
18700620 TECHNIQUES FOR SOUNDING REFERENCE SIGNAL CONFIGURATIONS FOR UPLINK PANEL SELECTION Final Rejection QUALCOMM INCORPORATED
18608062 LOW-POWER WAKE-UP RECEIVER ANTENNA PORTS FOR RECEPTION OF CHANNEL STATE INFORMATION REFERENCE SIGNAL Non-Final OA QUALCOMM Incorporated
18718399 WAKE UP SIGNAL FOR UPLINK TRANSMISSION Final Rejection LENOVO (BEIJING) LIMITED
18697174 TRIGGERING AN ACTION IN RESPONSE TO AN EVENT NOTIFICATION CORRESPONDING TO A USER EQUIPMENT Final Rejection Lenovo (Singapore) Pte. Ltd.
18862789 METHOD FOR SUPPORTING DETERMINISTIC NETWORKS IN A WIRELESS COMMUNICATIONS NETWORK Non-Final OA Lenovo (Singapore) Pte. Limited
18903595 IAB-DONOR DEVICE AND TRANSPORT ADDRESS CONFIGURATION METHOD Non-Final OA FUJITSU LIMITED
18700585 WIRELESS DEVICE AND METHOD IN A WIRELESS COMMUNICATIONS NETWORK Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18708167 TERMINAL AND COMMUNICATION METHOD Final Rejection NTT DOCOMO, INC.
18783881 METHODS, APPARATUSES AND SYSTEMS RELATED TO SUB-ARRAY SELECTION FOR NEAR-FIELD UPLINK Final Rejection InterDigital Patent Holdings, Inc.
18697051 ROBUST BWP APPROACHES TO MITIGATE THE IMPACT OF HIGH POWER NARROW-BAND INTERFERER Final Rejection INTERDIGITAL PATENT HOLDINGS, INC.
18799708 APPARATUS AND METHOD FOR PERFORMING BEAM MANAGEMENT BASED ON RECONFIGURABLE INTELLIGENT SURFACE IN WIRELESS COMMUNICATION SYSTEM Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18903516 CHANNEL FEATURE INFORMATION TRANSMISSION METHOD AND APPARATUS, TERMINAL, AND NETWORK SIDE DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.

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