Prosecution Insights
Last updated: October 02, 2026

Examiner: LU, HUA

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

This examiner grants 69% of resolved cases

Analysis

Hua Lu is an examiner in Art Unit 2118 of Tech Center 3600. Based on 595 resolved cases, the examiner maintains an allowance rate of 69.4 percent. This rate indicates a favorable environment for patent applicants, with nearly seven out of ten cases resulting in a grant. Practitioners can use the 69.4 percent figure to set a positive but realistic expectation for the likelihood of success.

The interview lift is 26.4 percent. This data point shows that interviews are a productive tool, significantly increasing the chances of an allowance. Practitioners should utilize the 26.4 percent lift to resolve rejections and move toward a grant, as verbal engagement provides a clear advantage over written responses. This lift suggests that the examiner is receptive to discussing technical issues directly.

The median days to allowance is 1158. This duration reflects the typical time required for prosecution, lasting about three years. The combination of a 69.4 percent allowance rate and a 1158-day median provides a predictable path for applications assigned to this examiner. These metrics allow for effective planning and communication with clients regarding the expected prosecution cycle.

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

Performance Statistics

69.4%
Allow Rate
+17.4% vs TC avg
628
Total Applications
+26.4%
Interview Lift
1158
Avg Prosecution Days
Based on 595 resolved cases, 2023–2026

Rejection Statute Breakdown

7.9%
§101 Eligibility
10.8%
§102 Novelty
69.7%
§103 Obviousness
5.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18927039 AIR CONDITIONER FOR PROVIDING SLEEP MODE AND METHOD OF CONTROLLING THE AIR CONDITIONER Non-Final OA Samsung Electronics Co., Ltd.
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.
18896822 Devices, Methods, and Graphical User Interfaces for Displaying Notifications with Summary Content Non-Final OA Apple Inc.
18896660 TECHNIQUES FOR CONTROLLING A DEVICE Non-Final OA Apple Inc.
18896872 USER INTERFACES FOR EDITING MEDIA Non-Final OA Apple Inc.
18896874 USER INTERFACES FOR EDITING MEDIA Non-Final OA Apple Inc.
18765334 OPERATION MANAGEMENT SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
17868187 INFORMATION PROCESSING APPARATUS AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM Final Rejection FUJIFILM Business Innovation Corp.
18786871 SYSTEMS AND METHODS FOR SURFACE FINISHING Non-Final OA The Boeing Company
18037329 INFORMATION PROCESSING DEVICE, CHARGING DEVICE, INFORMATION PROCESSING METHOD, PROGRAM, AND STORAGE MEDIUM Non-Final OA HONDA MOTOR CO., LTD.
18807479 BUILDING MANAGEMENT SYSTEM WITH CONTROL APPLICATION GENERATION Non-Final OA Tyco Fire & Security GmbH
18777632 System and Method for Open Multi-Agent Collaboration Non-Final OA Mitsubishi Electric Research Laboratories, Inc.
18862445 MACHINE LEARNING APPROACH FOR DESCRIPTIVE, PREDICTIVE, AND PRESCRIPTIVE FACILITY OPERATIONS Non-Final OA Chevron U.S.A. Inc.
18679024 EQUIPMENT FAILURE IDENTIFICATION AND PREDICTION OF REMAINING USEFUL LIFE USING MACHINE LEARNING Non-Final OA Caterpillar Inc.
18428109 METHOD AND SYSTEM FOR KNOWLEDGE-BASED ENGINEERING OF DIGITAL TWIN FOR PLANT MONITORING AND OPTIMIZATION Non-Final OA Tata Consultancy Services Limited
18894456 SYSTEMS AND METHODS FOR GENERATING CONTEXT-BASED INPUT INTERFACES Non-Final OA VIZIO, INC.
18939065 PROCESS MODELING PLATFORM FOR SUBSTRATE MANUFACTURING SYSTEMS Non-Final OA Applied Materials, Inc.
18322912 EMISSION OPTIMIZATION FOR INDUSTRIAL PROCESSES Non-Final OA HONEYWELL INTERNATIONAL INC.
18908091 ROBOT-FRIENDLY BUILDING, METHOD AND SYSTEM FOR MONITORING ROBOT OPERATION Non-Final OA NAVER CORPORATION
18596844 SUBSTRATE PROCESSING APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND RECORDING MEDIUM Final Rejection Kokusai Electric Corporation
18670700 CONTROL OF SUB-AMBIENT COOLING OF INTEGRATED CIRCUIT SYSTEMS, APPARATUS AND DEVICES USING PROGRAM WORKLOAD HINTS Final Rejection Advanced Micro Devices, Inc.
18929303 BEZEL HEALTH MANAGEMENT Non-Final OA Dell Products L.P.
18859606 ENVIRONMENT CONTROL SYSTEM, ENVIRONMENT CONTROL METHOD, AND ENVIRONMENT CONTROL PROGRAM Non-Final OA OMRON Corporation
18787921 COMPUTER SYSTEM AND METHOD FOR CLASSIFYING ASSETS IN AUTOMATED AND INDUSTRIAL CONTROL SYSTEMS Non-Final OA Schneider Electric USA, Inc.
18565164 AEROSOL GENERATING DEVICE FOR PREHEATING AEROSOL-GENERATING ARTICLE AND OPERATING METHOD THEREOF Final Rejection KT&G CORPORATION

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