Prosecution Insights
Last updated: October 27, 2026

Zhiren Qin, USPTO Patent Examiner

Listed by the USPTO as QIN, ZHIREN

Tech Center 2600 • Art Units: 2400 2411 2643

This examiner grants 86% of resolved cases

Analysis

QIN, ZHIREN works in Tech Center 2600 and Art Unit 2400. Across 517 resolved cases, the allowance rate is 85.9%, the interview lift is 9.7%, and the median time to allowance is 937 days. The data reflects a high allowance outcome with limited measured benefit from interviews.

Nokia Corporation, Vivo Mobile Communication Co., Ltd., and ZTE Corporation are the leading companies. Apple Inc. -- FKM, Baker Botts L.L.P., and Barta Jones, PLLC are the leading firms. Practitioners may focus on efficient written prosecution and precise claim amendments.

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

Performance Statistics

85.9%
Allow Rate
+23.9% vs TC avg
550
Total Applications
+9.7%
Interview Lift
937
Avg Prosecution Days
Based on 517 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
12.6%
§102 Novelty
55.4%
§103 Obviousness
15.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18649905 METHOD AND APPARATUS FOR CHANNEL AND INTERFERENCE MEASUREMENT Non-Final OA Samsung Electronics Co., Ltd.
18799276 Designs for Multi-DCI Based Multi-TRP Operation Non-Final OA Apple Inc.
18839027 WIRELESS TELECOMMUNICATIONS APPARATUSES AND METHODS Non-Final OA Sony Group Corporation
18534429 CHANNEL ACCESS MECHANISMS FOR UNLICENSED SIDELINK COMMUNICATIONS Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18848154 METHOD, DEVICE AND COMPUTER STORAGE MEDIUM OF COMMUNICATION Non-Final OA NEC CORPORATION
18428949 DIFFERENTIAL CHANNEL STATE INFORMATION REPORTING FOR DYNAMIC SPATIAL AND POWER ADAPTATION Non-Final OA QUALCOMM Incorporated
18706351 BWP DETERMINATION METHOD AND DEVICE, AND STORAGE MEDIUM Final Rejection BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
18732364 BACKWARD COMPATIBLE PHYSICAL LAYER CONVERGENCE PROCEDURE (PLCP) PROTOCOL DATA UNIT (PPDU) DESIGN IN WIRELESS LOCAL AREA NETWORK (WLAN) SYSTEM Final Rejection INTERDIGITAL PATENT HOLDINGS, INC.
18769987 HANDOVER DELAYS IN CELL MOBILITY Non-Final OA Nokia Technologies Oy
18894225 MACHINE LEARNING -BASED GENERATION OF BEAMFORMING COEFFICIENTS BY UTILIZING PRIOR RADIO CHANNEL RELATED INFORMATION, AND RELATED DEVICES, METHODS AND COMPUTER PROGRAMS Non-Final OA Nokia Solutions and Networks Oy
18754145 MULTICAST SERVICE TRANSMISSION METHOD, TERMINAL, AND NETWORK SIDE DEVICE Final Rejection VIVO MOBILE COMMUNICATION CO., LTD.
18616712 PDCCH CANDIDATE ALLOCATION METHOD FOR CROSS-CARRIER SCHEDULING AND DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18764669 LOSSLESS HANDOVER OF MULTICAST BROADCAST SERVICES Non-Final OA ZTE Corporation
18732226 POLARIZATION SYNTHESIS FOR WIRELESS COMMUNICATION SYSTEMS Final Rejection ZTE Corporation
18908162 Systems and Methods for Handling Asymmetric SDWAN Traffic Flows Non-Final OA Cisco Technology, Inc.
18680499 CLUSTER FAILURE MANAGEMENT SYSTEM AND TECHNIQUES FOR TELECOMMUNICATIONS SYSTEMS Final Rejection DISH Wireless L.L.C.

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Frequently Asked Questions

What is examiner Zhiren Qin's allowance rate?

85.9% of resolved applications examined by Zhiren Qin were allowed (517 resolved cases), compared with 49.8% across Art Unit 2400 over the last five years.

Does an interview help with examiner Zhiren Qin?

This examiner's interview lift is +9.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Zhiren Qin take to allow a patent?

Applications allowed by Zhiren Qin took 937 days on average from filing to allowance.

Which art unit does examiner Zhiren Qin work in?

Zhiren Qin examines applications in Art Unit 2400 in Tech Center 2600 (Communications).

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