Prosecution Insights
Last updated: October 02, 2026

Examiner: LU, ZIHENG NMN

Tech Center 4100 • Art Units: 1722 1752 4100

This examiner grants 84% of resolved cases

Analysis

Ziheng NMN Lu is an examiner in Art Unit 1722 of Tech Center 4100. Based on 70 resolved cases, the examiner maintains an allowance rate of 84.3 percent. This high rate indicates a favorable environment for patent grants, with the vast majority of cases reaching a successful conclusion. Practitioners can use the 84.3 percent figure to provide clients with a positive outlook on their chances of success.

The interview lift is 15.1 percent. This suggests that interviews are a productive strategy, increasing the probability of an allowance by over fifteen percent. Practitioners should utilize the 15.1 percent lift to resolve issues and expedite the prosecution process, as direct communication appears to be a beneficial supplement to written responses. This lift indicates that the examiner is receptive to verbal clarification.

The median days to allowance is 1275. This timeline shows that successful applications typically take about three and a half years to reach a grant. The 84.3 percent allowance rate and 1275-day median provide a clear picture of the prosecution experience. These metrics help practitioners manage expectations regarding both the high likelihood of success and the time required to achieve it.

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

Performance Statistics

84.3%
Allow Rate
+24.3% vs TC avg
95
Total Applications
+15.1%
Interview Lift
1275
Avg Prosecution Days
Based on 70 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
19.0%
§102 Novelty
68.8%
§103 Obviousness
7.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18458737 SECONDARY BATTERY, BATTERY PACK, VEHICLE, AND STATIONARY POWER SUPPLY Non-Final OA KABUSHIKI KAISHA TOSHIBA
18273902 NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18706213 Positive Electrode Material, Positive Electrode Including the Same, and Lithium Secondary Battery Non-Final OA LG Energy Solution, Ltd.
18565430 NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING SAME, SECONDARY BATTERY COMPRISING SAME, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE ACTIVE MATERIAL Non-Final OA LG ENERGY SOLUTION, LTD.
17769991 LITHIUM SECONDARY BATTERY ELECTRODE COMPRISING PERFORATED CURRENT COLLECTOR, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY COMPRISING ELECTRODE Non-Final OA LG ENERGY SOLUTION, LTD.
18041683 CHEMICAL-RESISTANT ELASTOMER BINDER FOR FLEXIBLE ELECTRONICS Final Rejection The Regents of the University of California
18383168 COOLING FIN USING PHASE CHANGE MATERIAL AND BATTERY MODULE INCLUDING THE SAME Non-Final OA HYUNDAI MOBIS CO., LTD.
18688575 Method for Producing an Electrode, Electrode and Energy Storage Cell Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18522070 DRY ELECTRODE FILM, AND DRY ELECTRODE AND LITHIUM BATTERY INCLUDING THE SAME Non-Final OA Samsung SDI Co., Ltd.
18098865 UNIT STACK-CELL STRUCTURE AND ALL-SOLID-STATE SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18153962 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
17727546 BATTERY PACK Non-Final OA SAMSUNG SDI CO., LTD.
18637100 SECONDARY BATTERY Non-Final OA MURATA MANUFACTURING CO., LTD.
18184213 CURRENT COLLECTING MEMBER, BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17752167 BATTERY, POWER CONSUMPTION DEVICE, AND METHOD AND DEVICE FOR PRODUCING BATTERY Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17680305 METHOD OF PRODUCING ELECTRODE FOR SECONDARY BATTERY AND ELECTRODE Final Rejection Prime Planet Energy & Solutions, Inc.
18558720 FUEL CELL MEMBRANE HUMIDIFIER Final Rejection KOLON INDUSTRIES, INC.
18627374 METHODS FOR PREPARING ELECTRODES Non-Final OA Solid Power Operating, Inc.

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