Prosecution Insights
Last updated: October 02, 2026

Examiner: KO, SITHU

Tech Center 2400 • Art Units: 2400 2414 2463

This examiner grants 87% of resolved cases

Analysis

Sithu Ko serves as an examiner in Tech Center 2400 and Art Unit 2400. With 636 resolved cases, the examiner has a robust history that informs his current metrics. The allowance rate of 86.6 percent is high, suggesting that the majority of applications in his docket reach a successful conclusion.

The interview lift is 15.7 percent, indicating that verbal communication is a beneficial strategy for applicants. This lift suggests that an interview can further improve the 86.6 percent chance of allowance. Practitioners should consider this 15.7 percent increase as a reason to engage directly with the examiner during prosecution.

The median days to allowance is 891, which is a timeline for Tech Center 2400. This 891-day median, paired with the 636 resolved cases, demonstrates a consistent examination process. The 86.6 percent allowance rate remains the primary indicator of success for those filing in Art Unit 2400.

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

Performance Statistics

86.6%
Allow Rate
+28.6% vs TC avg
664
Total Applications
+15.7%
Interview Lift
891
Avg Prosecution Days
Based on 636 resolved cases, 2023–2026

Rejection Statute Breakdown

4.7%
§101 Eligibility
8.7%
§102 Novelty
70.7%
§103 Obviousness
10.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18769270 UE INITIATED EARLY TIMING ADVANCE ACQUISITION Non-Final OA Samsung Electronics Co., Ltd.
18805449 MANAGING COEXISTENCE OF COMMUNICATION PROTOCOLS IN USER DEVICE Non-Final OA Apple Inc.
18709982 METHOD, DEVICE AND COMPUTER STORAGE MEDIUM OF COMMUNICATION Non-Final OA NEC CORPORATION
18732328 BASE STATION, TERMINAL, TRANSMISSION METHOD AND RECEPTION METHOD Non-Final OA Panasonic Intellectual Property Corporation of America
18813803 COMMUNICATION METHOD AND APPARATUS Non-Final OA Huawei Technologies Co., Ltd.
18533545 COMMUNICATION METHOD AND APPARATUS, AND READABLE STORAGE MEDIUM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18847398 SCHEDULING COLLISION RESOLUTION FOR SIDELINK AND UU COMMUNICATIONS Non-Final OA QUALCOMM Incorporated
18843944 UNIFIED TRANSMISSION CONFIGURATION INDICATOR STATE INDICATION FOR SINGLE-FREQUENCY NETWORKS Non-Final OA QUALCOMM Incorporated
18843660 GROUP-COMMON BANDWIDTH PART SWITCHING Non-Final OA QUALCOMM INCORPORATED
18747959 TIMELINE CONSIDERATIONS FOR CHANNEL STATE INFORMATION REPORTING OF A SIDELINK CHANNEL Non-Final OA QUALCOMM Incorporated
18693373 FAST RECOVERY AFTER EXITING COVERAGE HOLE Final Rejection QUALCOMM Incorporated
18426997 SECONDARY CELL GROUP ACTIVATION BY BANDWIDTH PART FOR DUAL CONNECTIVITY WITH MULTIPLE RADIO ACCESS TECHNOLOGIES Final Rejection QUALCOMM Incorporated
18616426 Out of Order in Inter-Cell Multiple Transmission-and-Reception Points Final Rejection Ofinno, LLC
18618656 CO-ORDINATION OF SPATIAL DOMAIN INFORMATION, POWER DOMAIN INFORMATION AND CELL DISCONTINUOUS TRANSMISSION AND/OR DISCONTINUOUS RECEPTION Final Rejection Nokia Technologies Oy
18763156 WIRELESS COMMUNICATIONS METHOD AND APPARATUS FOR SPATIAL SHARING USING CARRIER SENSE MULTIPLE ACCESS MEDIUM ACCESS Non-Final OA INTERDIGITAL PATENT HOLDINGS, INC.
18277349 METHOD AND SYSTEM FOR 5GS AND EPS INTERWORKING FOR UAV COMMUNICATION Final Rejection INTERDIGITAL PATENT HOLDINGS, INC.
18526933 METHOD OF USING ANALYTICS FEEDBACK INFORMATION FOR ANALYTICS ACCURACY OF NETWORK DATA AND APPARATUSES FOR PERFORMING THE SAME Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
17315105 METHOD FOR INDICATING TERMINAL CAPABILITY, METHOD FOR OBTAINING TERMINAL CAPABILITY, METHOD FOR INDICATING CAPABILITY IDENTIFIER, METHOD FOR OBTAINING CAPABILITY IDENTIFIER, AND COMMUNICATIONS DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO.,LTD.
18799528 DEVICE TO DEVICE COMMUNICATION Non-Final OA ZTE CORPORATION
18601168 LOSSLESS MULTICAST AND BROADCAST DATA TRANSMISSIONS IN HANDOVERS Non-Final OA ZTE Corporation
18861435 CONFIGURATION MANAGEMENT METHOD AND APPARATUS, DEVICE AND STORAGE MEDIUM Non-Final OA BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18857888 CELL ACTIVATION METHOD AND DEVICE Non-Final OA BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18508169 METHODS OF TWO DOWNLINK CHANNEL STATE INFORMATION AND TWO UPLINK CHANNEL STATE INFORMATION FOR FULL DUPLEX SYSTEM Non-Final OA MediaTek Singapore Pte. Ltd.

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