Prosecution Insights
Last updated: October 02, 2026

Examiner: LIU, SIMING

Tech Center 2400 • Art Units: 2411 2413 2416 2472

This examiner grants 82% of resolved cases

Analysis

Siming Liu is an examiner in Tech Center 2400, working in Art Unit 2411. The examiner has 574 resolved cases. The allowance rate is 82.1 percent. This high rate indicates that the vast majority of applications result in a patent grant. The 574 resolved cases provide a robust data set that supports this high probability of success for applicants in this art unit.

The median days to allowance is 1037. This timeframe shows the typical duration for successful applications to reach a grant. The interview lift is 10.8 percent. This figure represents the improvement in allowance probability associated with an examiner interview. When compared to the 82.1 percent allowance rate, the 10.8 percent lift shows that interviews are an effective way to further increase the chances of a grant.

Practitioners in Art Unit 2411 should find the 82.1 percent allowance rate and 1037 median days to allowance very encouraging. The 574 resolved cases reflect a consistent history of granting patents. The 10.8 percent interview lift remains a useful tool for resolving specific issues. Overall, the data suggests a highly favorable environment for patent applicants working with this examiner.

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

Performance Statistics

82.1%
Allow Rate
+24.1% vs TC avg
592
Total Applications
+10.8%
Interview Lift
1037
Avg Prosecution Days
Based on 574 resolved cases, 2023–2026

Rejection Statute Breakdown

5.9%
§101 Eligibility
17.0%
§102 Novelty
50.1%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18718730 METHOD AND DEVICE FOR IMPROVING DATA RECEPTION PERFORMANCE IN COMMUNICATION SYSTEM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18639839 FULL POWER UPLINK TRANSMISSION Final Rejection Samsung Electronics Co., Ltd.
18897480 DEVICE WAKE-UP METHOD AND COMMUNICATION APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18681519 TRANSMISSION CONTROL METHOD IN SATELLITE COMMUNICATION SYSTEM AND RELATED APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
17673653 CONTENTION WINDOW MAINTENANCE METHOD AND DEVICE Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18894477 COMMUNICATION DEVICE, COMMUNICATION METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18799272 TECHNIQUES FOR CHANNEL SENSING MODE SELECTION Final Rejection QUALCOMM Incorporated
18428660 BLIND DECODING AND CELL DISCONTINUOUS TRANSMISSION Non-Final OA QUALCOMM Incorporated
18397799 Determination of Connection Failure Non-Final OA Ofinno, LLC
18428871 SYSTEMS AND METHODS FOR RANGE EXTENSION IN WIRELESS DEVICES Non-Final OA Avago Technologies International Sales Pte. Limited
18291634 NETWORK NODE, USER EQUIPMENT, AND METHODS PERFORMED THEREIN Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18573100 USER EQUIPMENT, NETWORK NODES, AND METHODS PERFORMED IN A COMMUNICATION NETWORK Final Rejection Telefonaktiebolaget LM Ericsson (publ)
18291781 TERMINAL, RADIO COMMUNICATION METHOD, AND BASE STATION Non-Final OA NTT DOCOMO, INC.
18890650 METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING NEW RADIO TECHNOLOGY (NR) PHYSICAL DOWNLINK CONTROL CHANNEL (PDCCH) IN WIRELESS COMMUNICATION SYSTEM Non-Final OA KT CORPORATION
18428517 ULTRA-WIDEBAND CLUSTER SCHEDULING OPTIMIZER Non-Final OA Cisco Technology, Inc.
18849045 REPORTING METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM Non-Final OA BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18572973 METHODS AND APPARATUS FOR DETERMINING CELL AND INDICATING SUPPORT, COMMUNICATION APPARATUS, AND STORAGE MEDIUM Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
18219096 METHOD AND DEVICE USED IN COMMUNICATION NODE FOR WIRELESS COMMUNICATION Non-Final OA Apogee 5G Global, LLC

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