Prosecution Insights
Last updated: October 02, 2026

Examiner: ARMSTRONG, KAREN JOYCE

Tech Center 1700 • Art Units: 1700 1726

This examiner grants 69% of resolved cases

Analysis

Karen Joyce Armstrong is an examiner in Tech Center 1700 with 35 resolved cases. She has an allowance rate of 68.6 percent. This 68.6 percent rate indicates the frequency of granted patents among the 35 resolved cases. Practitioners can use these figures to evaluate the prosecution environment and the likelihood of success in this tech center. The record of 35 resolved cases provides a basis for analyzing the examiner's past actions.

The interview lift is 7.5 percent, which is a statistic that shows the change in allowance probability following an interview. This 7.5 percent lift is a metric for developing a strategy. The median days to allowance is 1308, providing a benchmark for the time required to reach a grant. This 1308-day median is a data point for managing expectations. These figures from Tech Center 1700 serve as the basis for understanding the examiner's historical performance and the duration of the prosecution cycle.

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

Performance Statistics

68.6%
Allow Rate
+3.6% vs TC avg
89
Total Applications
+7.5%
Interview Lift
1309
Avg Prosecution Days
Based on 35 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
21.0%
§102 Novelty
64.9%
§103 Obviousness
11.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18068553 COATING LIQUID, COMPOSITE PARTICLE MANUFACTURING METHOD, AND COMPOSITE PARTICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
17981017 ELECTRODE, SECONDARY BATTERY, AND ELECTRODE MANUFACTURING METHOD Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18062846 THERMOELECTRIC GENERATOR IN A BATTERY PACK Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
17910094 ELECTRODE FOR BATTERIES, AND BATTERY Final Rejection PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18049702 PROCESS FOR INERTING ELECTROCHEMICAL ACCUMULATORS, ESPECIALLY METAL-ION ACCUMULATORS, BY INITIAL IMMERSION IN A SOLUTION OF CALCIUM CHLORIDE AT LOW TEMPERATURE, FOLLOWED BY ELECTRICAL SHORT-CIRCUITING IN PREPARATION FOR THEIR SHREDDING Final Rejection COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
17860101 BATTERY DEVICE AND USE THEREOF IN A MOTOR VEHICLE Final Rejection Mahle International GmbH
18470533 ENERGY STORAGE DEVICE HAVING CELL WITH COATING Non-Final OA DEERE & COMPANY
17918104 LITHIUM-SULFUR SECONDARY BATTERY COMPRISING ELECTROLYTE CONTAINING S-O-BASED CYCLIC COMPOUND Final Rejection LG ENERGY SOLUTION, LTD.
17952921 Electrode Assembly and Battery Cell Including the Same Non-Final OA LG Energy Solution, Ltd.
17800720 Positive Electrode for Lithium Secondary Battery with Primer Layer Comprising Lithium Iron Phosphate Non-Final OA LG Energy Solution, Ltd.
17783691 Battery Management System, Battery Pack, Electric Vehicle and Battery Management Method Final Rejection LG Energy Solution, Ltd.
17783017 Coating Tape for Inorganic Layer for Electrode and Method of Manufacturing the Same Final Rejection LG Energy Solution, Ltd.
17770009 REDUCED POROUS GRAPHENE OXIDE, MANUFACTURING METHOD THEREFOR, SULFUR-CARBON COMPOSITE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY Final Rejection LG ENERGY SOLUTION, LTD.
17798717 METHOD FOR MANUFACTURING A BATTERY, AND CORRESPONDING MANUFACTURING DEVICE Non-Final OA AUDI AG
18427211 APPARATUS FOR MANUFACTURING SHAPE-CHANGED MEMBRANE-ELECTRODE ASSEMBLY Non-Final OA KIA CORPORATION
17851559 COOLING DEVICE FOR HIGH VOLTAGE BATTERY Non-Final OA HYUNDAI MOBIS Co., Ltd.
18083622 POSITIVE ELECTRODE, SECONDARY BATTERY, AND ELECTRONIC DEVICE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18524030 NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Non-Final OA SAMSUNG SDI CO,LTD.
18113074 BATTERY CELL, METHOD AND SYSTEM FOR MANUFACTURING SAME, BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
17863295 MIXED POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREOF, BATTERY, AND APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18611697 BATTERY PACK Non-Final OA SK On Co., Ltd.
18567659 ELASTOMERIC ELECTROLYTE FOR HIGH-ENERGY ALL-SOLID-STATE METAL BATTERIES Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18004853 BATTERY WELD PLATES Final Rejection TECHTRONIC CORDLESS GP
17898661 ANODE CURRENT COLLECTOR INCLUDING POROUS PLATING LAYER, AND ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18041663 MIXED POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE PLATE AND MANUFACTURING METHOD THEREFOR, AND BATTERY Final Rejection BYD COMPANY LIMITED
17914252 LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE SHEET, PREPARATION METHOD THEREFOR, AND LITHIUM IRON PHOSPHATE LITHIUM-ION BATTERY Final Rejection BYD COMPANY LIMITED
17800664 CELL ARRAY, BATTERY PACK, AND VEHICLE Non-Final OA BYD COMPANY LIMITED
17904923 BINDER FOR SECONDARY BATTERIES Final Rejection Sumitomo Seika Chemicals Co., Ltd.
18277565 TEMPERATURE CONTROL METHOD FOR A BATTERY ENERGY DISTRIBUTION UNIT Non-Final OA EVE ENERGY CO., LTD.
18558089 SILICON-BASED NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Non-Final OA Tianmulake Excellent Anode Materials Co, Ltd.

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