Prosecution Insights
Last updated: October 26, 2026

Ning Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, NING

Tech Center 4100 • Art Units: 1723 4100

This examiner grants 0% of resolved cases

Analysis

CHEN, NING is a USPTO patent examiner in tech center 4100 and art unit 1723. The profile contains 1 resolved case, an allowance rate of 0.0%, and a median of 1246 days to allowance. The interview lift is 0.0%, so the available record does not show an allowance or interview-associated increase.

The listed companies are Samsung SDI Co., Ltd., LG Energy Solution Ltd., and Honda Motor Co., Ltd. The listed firms are Womble Bond Dickinson US LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and HARNESS DICKEY (DETROIT). Because the profile rests on 1 resolved case, practitioners should treat it as highly limited evidence.

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

Performance Statistics

0.0%
Allow Rate
-60.0% vs TC avg
43
Total Applications
+0.0%
Interview Lift
1246
Avg Prosecution Days
Based on 1 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
23.4%
§102 Novelty
41.6%
§103 Obviousness
21.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18229507 BATTERY PACK WITH SUPPORT TABS Non-Final OA Apple Inc.
18471889 POWER STORAGE CELL, AND METHOD OF SHORT-CIRCUITING BETWEEN LID AND EXTERNAL TERMINAL Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18318797 FUEL CELL SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18272537 FIXING STRUCTURE OF ELECTRODE TERMINAL, AND BATTERY, BATTERY PACK AND VEHICLE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18270622 BATTERY PACK AND DEVICE INCLUDING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
18037488 ALL-SOLID LITHIUM SECONDARY BATTERY AND PREPARATION METHOD THEREOF Final Rejection LG ENERGY SOLUTION, LTD.
18429441 POSITIVE ELECTRODE FOR SECONDARY BATTERY Non-Final OA HONDA MOTOR CO., LTD.
18127370 BATTERY UNIT Non-Final OA HONDA MOTOR CO., LTD.
18272504 SOLID ELECTROLYTE LAYER AND ALL-SOLID-STATE BATTERY Final Rejection TDK CORPORATION
18228049 FUEL CELL SYSTEM AND THERMAL MANAGEMENT METHOD THEREOF Non-Final OA Kia Corporation
18648384 SECONDARY BATTERY CONTAINING SILICATE ESTER AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18409816 BATTERY AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18636843 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
18615791 SECONDARY BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18485259 BATTERY SYSTEM AND METHOD OF ASSEMBLING THEREOF Non-Final OA SAMSUNG SDI CO., LTD.
18485157 SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME Non-Final OA Samsung SDI Co., Ltd.
18135581 SECONDARY BATTERY Final Rejection MURATA MANUFACTURING CO., LTD.
18266893 BATTERY COOLING SYSTEM Final Rejection GENTHERM INCORPORATED
18394462 BATTERY POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF Non-Final OA BYD COMPANY LIMITED
18275751 Precursor For Positive Electrode Active Material And Method Of Preparing The Same Non-Final OA LG Chem, Ltd.
18566879 A CYLINDRICAL SECONDARY CELL WITH SHAPED CAN HOLE WALL AND A METHOD OF ITS ASSEMBLY Non-Final OA Northvolt AB

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Frequently Asked Questions

What is examiner Ning Chen's allowance rate?

0.0% of resolved applications examined by Ning Chen were allowed (1 resolved cases), compared with 60.0% across Art Unit 1723 over the last five years.

Does an interview help with examiner Ning Chen?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ning Chen take to allow a patent?

Applications allowed by Ning Chen took 1,246 days on average from filing to allowance.

Which art unit does examiner Ning Chen work in?

Ning Chen examines applications in Art Unit 1723 in Tech Center 4100.

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