Prosecution Insights
Last updated: October 02, 2026

Examiner: KLINE, SYDNEY LYNN

Tech Center 4100 • Art Units: 1729 4100

This examiner grants 71% of resolved cases

Analysis

Sydney Lynn Kline has managed 35 resolved cases in Art Unit 1729. The examiner has an allowance rate of 71.4 percent. This figure indicates a high frequency of granted applications for cases assigned to this examiner in Tech Center 4100.

The interview lift is 26.7 percent. This 26.7 percent lift suggests that interviews are an effective way to secure an allowance. When considered with the 71.4 percent allowance rate, the data highlights the value of direct communication during prosecution.

The median days to allowance is 1283. This 1283 figure shows that while the probability of success is high, the process can be relatively slow. With 35 resolved cases, these metrics provide a clear statistical basis for managing expectations with this examiner.

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

Performance Statistics

71.4%
Allow Rate
+11.4% vs TC avg
75
Total Applications
+26.7%
Interview Lift
1283
Avg Prosecution Days
Based on 35 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
11.8%
§102 Novelty
75.7%
§103 Obviousness
11.4%
§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.
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
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.
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.
18014042 ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY COMPRISING SAME Non-Final OA SAMSUNG SDI CO., LTD.
18663294 BATTERY CASING, BATTERY AND ELECTRICITY-CONSUMING APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18075841 LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWERED DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18171376 ANODE AND SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SK ON CO., LTD.
18098111 RECHARGEABLE-BATTERY CELL Final Rejection SK On 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.
18475602 BATTERY COOLING PLATE, AND BATTERY SYSTEM Non-Final OA BYD COMPANY LIMITED
18692885 ANODE COATING FOR ALL-SOLID-STATE LI-ION BATTERY Non-Final OA Arkema France
18489377 BATTERY MODULE Non-Final OA Prime Planet Energy & Solutions, Inc.
17925049 POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERIES, METHOD FOR PRODUCING SAID POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM ION SECONDARY BATTERY Final Rejection SUMITOMO METAL MINING CO., LTD.
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
18188708 BATTERY Final Rejection Ningde Amperex Technology Limited

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