Prosecution Insights
Last updated: October 26, 2026

Hua Lu, USPTO Patent Examiner

Listed by the USPTO as LU, HUA

Tech Center 3600 • Art Units: 2118 2141 2144 2145 2154 2171 2192 2838 2857 3662

This examiner grants 69% of resolved cases

Analysis

LU, HUA is assigned to tech center 3600 and art unit 2118. The record includes 597 resolved cases and a 69.3% allowance rate. The median time to allowance is 1,159 days, providing a substantial timing reference for prosecution planning.

The interview lift is 26.5%, indicating a meaningful interview-associated change in the reported allowance outcomes. The listed companies are Apple Inc., Samsung Electronics Co., Ltd., and Japan Tobacco Inc. The listed firms are SUGHRUE MION, PLLC, FITCH EVEN TABIN & FLANNERY, LLP, and HAUPTMAN HAM, LLP. Practitioners can use the profile to prepare focused claim distinctions and an interview agenda, while accounting for the extended median time to allowance.

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

Performance Statistics

69.3%
Allow Rate
+17.3% vs TC avg
655
Total Applications
+26.5%
Interview Lift
1159
Avg Prosecution Days
Based on 597 resolved cases, 2023–2026

Rejection Statute Breakdown

8.0%
§101 Eligibility
10.9%
§102 Novelty
69.3%
§103 Obviousness
5.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18241677 SERVER, ELECTRONIC APPARATUS FOR CONTROLLING HOME APPLIANCE AND CONTROL METHOD THEREOF Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18195543 METHOD AND APPARATUS FOR DISPLAYING CONTENT ON DISPLAY Final Rejection Samsung Electronics Co., Ltd.
18193061 ELECTRONIC DEVICE TO CREATE AUTOMATION ROUTINES AND THE METHOD FOR OPERATING SAME Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19186261 Image Capture to Provide Advanced Features for Configuration of a Wearable Device Final Rejection Apple Inc.
18896822 Devices, Methods, and Graphical User Interfaces for Displaying Notifications with Summary Content Non-Final OA Apple Inc.
18896874 USER INTERFACES FOR EDITING MEDIA Non-Final OA Apple Inc.
18896872 USER INTERFACES FOR EDITING MEDIA Non-Final OA Apple Inc.
18896660 TECHNIQUES FOR CONTROLLING A DEVICE Non-Final OA Apple Inc.
18765334 OPERATION MANAGEMENT SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18751389 CHARGING PLAN CREATING APPARATUS Final Rejection DENSO CORPORATION
18837942 Method of Power Management of a Power Plant Non-Final OA Siemens Gamesa Renewable Energy Innovation & Technology, S.L.
18862445 MACHINE LEARNING APPROACH FOR DESCRIPTIVE, PREDICTIVE, AND PRESCRIPTIVE FACILITY OPERATIONS Non-Final OA Chevron U.S.A. Inc.
18322912 EMISSION OPTIMIZATION FOR INDUSTRIAL PROCESSES Non-Final OA HONEYWELL INTERNATIONAL INC.
18939065 PROCESS MODELING PLATFORM FOR SUBSTRATE MANUFACTURING SYSTEMS Non-Final OA Applied Materials, Inc.
18670700 CONTROL OF SUB-AMBIENT COOLING OF INTEGRATED CIRCUIT SYSTEMS, APPARATUS AND DEVICES USING PROGRAM WORKLOAD HINTS Final Rejection Advanced Micro Devices, Inc.
18451109 INFORMATION PROCESSING APPARATUS AND MACHINE LEARNING APPARATUS Final Rejection EBARA CORPORATION
18565164 AEROSOL GENERATING DEVICE FOR PREHEATING AEROSOL-GENERATING ARTICLE AND OPERATING METHOD THEREOF Final Rejection KT&G CORPORATION

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Frequently Asked Questions

What is examiner Hua Lu's allowance rate?

69.3% of resolved applications examined by Hua Lu were allowed (597 resolved cases), compared with 42.6% across Art Unit 2118 over the last five years.

Does an interview help with examiner Hua Lu?

This examiner's interview lift is +26.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Hua Lu took 1,159 days on average from filing to allowance.

Which art unit does examiner Hua Lu work in?

Hua Lu examines applications in Art Unit 2118 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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