Prosecution Insights
Last updated: October 26, 2026

Taeyoung Son, USPTO Patent Examiner

Listed by the USPTO as SON, TAEYOUNG

Tech Center 1700 • Art Units: 1751

This examiner grants 46% of resolved cases

Analysis

SON, TAEYOUNG is assigned to Tech Center 1700 and Art Unit 1751. The data covers 35 resolved cases, a 45.7% allowance rate, and a median of 1358 days to allowance. Interview lift is 34.0%, indicating that interviews may materially assist prosecution despite the low allowance result, although the limited case volume warrants caution.

Panasonic Holdings Corporation, LG Energy Solution Ltd., and Contemporary Amperex Technology Co., Limited are the listed companies. Birch Stewart Kolasch & Birch, LLP, WHDA, LLP, and Womble Bond Dickinson US LLP are the listed firms. Practitioners should prepare for substantive prosecution and extended timing, with interviews considered as part of a deliberate effort to resolve claim issues.

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

Performance Statistics

45.7%
Allow Rate
-19.3% vs TC avg
92
Total Applications
+34.0%
Interview Lift
1358
Avg Prosecution Days
Based on 35 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.3%
§102 Novelty
68.3%
§103 Obviousness
9.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17792361 POSITIVE ELECTRODE ACTIVE MATERIAL FOR AN ALL-SOLID-STATE LITHIUM-ION BATTERY, ELECTRODE AND ALL-SOLID-STATE LITHIUM-ION BATTERY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
17613655 NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY Final Rejection Panasonic Intellectual Property Management Co., Ltd.
17613751 NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA SANYO Electric Co., Ltd.
17439372 BATTERY MODULE Non-Final OA SANYO Electric Co., Ltd.
18268552 SEPARATOR FOR SECONDARY BATTERIES Non-Final OA LG ENERGY SOLUTION, LTD.
18037532 CYLINDRICAL SECONDARY BATTERY HAVING HIGH STRUCTURAL SAFETY AND METHOD OF MANUFACTURING THE SAME Final Rejection LG ENERGY SOLUTION, LTD.
17615810 BATTERY MODULE COMPRISING CELL FRAME Non-Final OA LG ENERGY SOLUTION, LTD.
17598104 ELECTRODE ASSEMBLY, LAMINATION DEVICE FOR MANUFACTURING THE ELECTRODE ASSEMBLY, AND METHOD FOR MANUFACTURING THE ELECTRODE ASSEMBLY Non-Final OA LG ENERGY SOLUTION, LTD.
18298385 FUEL CELL SYSTEM Final Rejection HONDA MOTOR CO., LTD.
17534690 VEHICLE BATTERY CASE APPARATUS Final Rejection Kia Corporation
18649394 NEGATIVE ELECTRODE PLATE, METHOD FOR PREPARING SAME, SECONDARY BATTERY CONTAINING SAME, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18592996 BATTERY CELL, BATTERY CELL MANUFACTURING METHOD AND EQUIPMENT, BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17478884 BATTERY PACK AND COOLING SYSTEM THEREOF Non-Final OA Contemporary Amperex Technology Co., Limited
17619753 ALKALINE METAL SECONDARY BATTERY AND USES THEREOF Non-Final OA FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V.
18805100 RECHARGEABLE BATTERY INCLUDING AN INSULATOR Non-Final OA SAMSUNG SDI CO., LTD.
18614259 ELECTRODE AND LITHIUM BATTERY INCLUDING THE SAME Non-Final OA Samsung SDI Co., Ltd.
18110237 NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Final Rejection Samsung SDI Co., Ltd.
18322126 CARBON BLACK DISPERSION COMPOSITION FOR BATTERY, MIXTURE PASTE FOR POSITIVE ELECTRODE, POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
17310805 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY Non-Final OA SUMITOMO METAL MINING CO., LTD.
18757872 ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE Non-Final OA Ningde Amperex Technology Limited

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Frequently Asked Questions

What is examiner Taeyoung Son's allowance rate?

45.7% of resolved applications examined by Taeyoung Son were allowed (35 resolved cases), compared with 62.1% across Art Unit 1751 over the last five years.

Does an interview help with examiner Taeyoung Son?

This examiner's interview lift is +34.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Taeyoung Son take to allow a patent?

Applications allowed by Taeyoung Son took 1,358 days on average from filing to allowance.

Which art unit does examiner Taeyoung Son work in?

Taeyoung Son examines applications in Art Unit 1751 in Tech Center 1700 (Chemistry & Materials).

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