Prosecution Insights
Last updated: October 27, 2026

Xuan Lu, USPTO Patent Examiner

Listed by the USPTO as LU, XUAN

Tech Center 2400 • Art Units: 2473

This examiner grants 84% of resolved cases

Analysis

LU, XUAN examines in tech center 2400 and art unit 2473. The profile covers 220 resolved cases, with an allowance rate of 84.5%. The median time to allowance is 1,101 days, providing a substantial timing benchmark for prosecution planning.

The interview lift is 12.6%, indicating a measurable interview-associated change in the reported outcomes. The listed companies are Qualcomm Incorporated, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., and Samsung Electronics Co., Ltd. The listed firms are Harrity & Harrity, LLP \ Qualcomm, BRAKE HUGHES BELLERMANN LLP, and Bridgeway IP Law Group, PLLC. Practitioners can use the profile to frame a favorable allowance history while reserving interviews for defined claim or prior-art issues.

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

Performance Statistics

84.5%
Allow Rate
+26.5% vs TC avg
241
Total Applications
+12.6%
Interview Lift
1101
Avg Prosecution Days
Based on 220 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
26.2%
§102 Novelty
65.7%
§103 Obviousness
7.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18447269 MONITORING OF A SINGLE DOWNLINK CONTROL INFORMATION (DCI) MESSAGE SCHEDULING MULTIPLE CELLS Final Rejection Apple Inc.
18857529 METHOD, DEVICE AND COMPUTER READABLE MEDIUM FOR COMMUNICATIONS Non-Final OA NEC Corporation
18355714 WIRELESS COMMUNICATION METHOD, COMMUNICATION APPARATUS, AND COMMUNICATION SYSTEM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18104552 METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF SIGNAL AND COMMUNICATION SYSTEM Final Rejection FUJITSU LIMITED
18894983 TRANSMISSION CONFIGURATION INDICATION STATE APPLICATION TIMING AFTER LOWER-LAYER TRIGGERED MOBILITY CELL SWITCH Non-Final OA QUALCOMM Incorporated
18836987 UNIFIED TRANSMISSION CONFIGURATION INDICATOR FOR A SINGLE FREQUENCY NETWORK Non-Final OA QUALCOMM Incorporated
18795726 HIGH-PRIORITY DATA TRANSMISSION HANDLING Non-Final OA QUALCOMM Incorporated
18672496 GROUP-BASED WIRELESS COMMUNICATIONS Final Rejection QUALCOMM Incorporated
18918450 Sidelink Unlicensed (SL-U) Channel Access Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18156705 REDUCED SENSING FOR REDUCED CAPABILITY UES Final Rejection Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18852119 COMMUNICATION METHOD AND COMMUNICATION APPARATUS Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
18615160 COMMUNICATION DEVICES, METHODS, AND APPARATUSES, AND COMPUTER-READABLE MEDIUM Non-Final OA Nokia Solutions and Networks Oy
18614781 METHOD AND APPARATUS FOR TRANSMITTING REFERENCE SIGNAL, AND RELATED DEVICE Non-Final OA VIVO MOBILE COMMUNICATION CO., LTD.
18607020 SYSTEMS AND METHODS FOR USING A COMMON CONTROL PLANE TO CONTROL A PLURALITY OF ACCESS NETWORKS Final Rejection Cable Television Laboratories, Inc.
18908887 PLANNING AND DEPLOYING SERVICE ELEMENTS OF A NETWORK SERVICE ACROSS TRANSPORT AND CORE NETWORK SEGMENTS Non-Final OA AT&T Intellectual Property I, L.P.
18855327 RESOURCE SCHEDULING METHOD, DEVICE, APPARATUS, AND STORAGE MEDIUM Non-Final OA DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.

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Frequently Asked Questions

What is examiner Xuan Lu's allowance rate?

84.5% of resolved applications examined by Xuan Lu were allowed (220 resolved cases), compared with 76.5% across Art Unit 2473 over the last five years.

Does an interview help with examiner Xuan Lu?

This examiner's interview lift is +12.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Xuan Lu take to allow a patent?

Applications allowed by Xuan Lu took 1,101 days on average from filing to allowance.

Which art unit does examiner Xuan Lu work in?

Xuan Lu examines applications in Art Unit 2473 in Tech Center 2400 (Networking & Security).

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