Prosecution Insights
Last updated: October 27, 2026

Sydney Lynn Kline, USPTO Patent Examiner

Listed by the USPTO as KLINE, SYDNEY LYNN

Tech Center 4100 • Art Units: 1729 4100

This examiner grants 68% of resolved cases

Analysis

Sydney Lynn Kline works in Tech Center 4100 and Art Unit 1729. The profile records 38 resolved cases, a 68.4% allowance rate, and a median of 1,286 days to allowance. The interview lift is 33.0%, indicating a positive association between interviews and allowance in this dataset.

The listed companies are Samsung SDI Co., Ltd., Toyota Motor Corporation, and Panasonic Holdings Corporation. The listed firms are WHDA, LLP, Womble Bond Dickinson US LLP, and KENJA IP LAW PC. The limited resolved-case record should be considered when using the 68.4% allowance rate and 33.0% interview lift for planning. The 1,286-day median remains a direct timing consideration, particularly for applicants managing product or portfolio schedules.

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

Performance Statistics

68.4%
Allow Rate
+8.4% vs TC avg
79
Total Applications
+33.0%
Interview Lift
1286
Avg Prosecution Days
Based on 38 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
13.4%
§102 Novelty
73.2%
§103 Obviousness
12.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18732625 ROLLING DEVICE FOR ELECTRODE SHEET Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
17872293 COATED ACTIVE MATERIAL AND METHOD FOR PRODUCING THE SAME Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18014536 SECONDARY-BATTERY POSITIVE ELECTRODE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18036460 CYLINDRICAL BATTERY Final Rejection Panasonic Energy Co., Ltd.
17924912 CATHODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
17802971 ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY Final Rejection HONDA MOTOR CO., LTD.
18325715 Thermal Management System for Fuel Cell Electric Vehicle Non-Final OA Kia Corporation
18663294 BATTERY CASING, BATTERY AND ELECTRICITY-CONSUMING APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18020185 SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18488835 ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18357416 SOLID ION CONDUCTOR COMPOUND, ELECTROCHEMICAL CELL, AND METHOD OF PREPARING THE SOLID ION CONDUCTOR COMPOUND Final Rejection Samsung SDI Co., Ltd.
18193579 COMPOSITE PARTICLES FOR NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERY, PRODUCING METHOD, POSITIVE AND NEGATIVE ELECTRODES, AND NON-AQUEOUS ELECTROLYTE RECHARGEABLE BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
17688332 COMPOSITE SEPARATOR FOR SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SK INNOVATION CO., LTD.
18325154 ELECTROLYTE MATERIAL, ITS PRODUCTION METHOD AND ITS USE Final Rejection AGC Inc.
18475602 BATTERY COOLING PLATE, AND BATTERY SYSTEM Non-Final OA BYD COMPANY LIMITED
18489377 BATTERY MODULE Non-Final OA Prime Planet Energy & Solutions, Inc.
18260319 COMPOSITION FOR ELECTROCHEMICAL DEVICE FUNCTIONAL LAYER, FUNCTIONAL LAYER FOR ELECTROCHEMICAL DEVICE, LAMINATE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE Final Rejection ZEON CORPORATION
18252885 BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY Final Rejection ZEON CORPORATION
18131409 ELECTROLYTE, AND ELECTROCHEMICAL APPARATUS AND ELECTRONIC APPARATUS CONTAINING SAME Final Rejection NINGDE AMPEREX TECHNOLOGY LIMITED
17645443 INTELLIGENT BATTERY CELL SYSTEM WITH INTEGRATED CELL MONITORING Non-Final OA STAFL Systems, LLC
16513090 FAST-CHARGING BATTERY AND METHOD OF OPERATING SAME Final Rejection Nanotek Instruments, Inc.

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Frequently Asked Questions

What is examiner Sydney Lynn Kline's allowance rate?

68.4% of resolved applications examined by Sydney Lynn Kline were allowed (38 resolved cases), compared with 52.2% across Art Unit 1729 over the last five years.

Does an interview help with examiner Sydney Lynn Kline?

This examiner's interview lift is +33.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sydney Lynn Kline take to allow a patent?

Applications allowed by Sydney Lynn Kline took 1,286 days on average from filing to allowance.

Which art unit does examiner Sydney Lynn Kline work in?

Sydney Lynn Kline examines applications in Art Unit 1729 in Tech Center 4100.

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