Prosecution Insights
Last updated: April 19, 2026

Examiner: BARCENA, CARLOS

Tech Center 1700 • Art Units: 1723 1724 1728 1731 1793 1795

This examiner grants 80% of resolved cases

Performance Statistics

80.2%
Allow Rate
+15.2% vs TC avg
1139
Total Applications
+12.5%
Interview Lift
1030
Avg Prosecution Days
Based on 1101 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
27.4%
§102 Novelty
44.4%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18353987 BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18221880 BATTERY CELL AND METHOD AND EQUIPMENT FOR MANUFACTURING SAME, BATTERY, AND ELECTRICAL DEVICE Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18031857 STABILIZED ELECTROLYTES FOR LOW-TEMPERATURE BATTERIES Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18278603 LITHIUM ION SECONDARY BATTERY, SEPARATION MEMBRANE, AND MANUFACTURING METHODS THEREFOR Non-Final OA LG ENERGY SOLUTION, LTD.
18269480 Positive Electrode Active Material For Lithium Secondary Battery, Method Of Preparing The Same, And Lithium Secondary Battery Comprising The Same Non-Final OA LG Energy Solution, Ltd.
18031991 Non-Aqueous Electrolyte Solution Additive for Lithium Secondary Battery, and Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Which Include the Same Non-Final OA LG Energy Solution, Ltd.
18020569 Positive Electrode for Lithium Secondary Battery Including Insulating Layer Having Excellent Wet Adhesion and Lithium Secondary Battery Including the Same Final Rejection LG Energy Solution, Ltd.
18269392 ALKALI METAL ION-CONDUCTIVE SOLID ELECTROLYTE, METHOD FOR PRODUCING SAME, SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING SAID SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18269095 NEGATIVE-ELECTRODE MATERIAL FOR SECONDARY BATTERY, AND SECONDARY BATTERY Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18117904 Prelithiated And Methods For Prelithiating An Energy Storage Device Non-Final OA Enevate Corporation
18363346 END PLATE FOR CLAMPING ONE OR MORE FUEL CELLS IN A FUEL CELL ARRANGEMENT Non-Final OA Airbus Operations GmbH
18346208 ELECTRODE WITH 3-DIMENSIONAL STRUCTURE, ANODE FOR SOLID OXIDE FUEL CELL AND SOLID OXIDE FUEL CELL Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18144293 BATTERY ASSEMBLY Final Rejection Dr. Ing. h.c. F. Porsche Aktiengesellschaft
18446262 ELECTROLYTE ADDITIVES FOR SOLID ELECTROLYTE INTERFACE FORMATION ON POLYTETRAFLUOROETHYLENE-CONTAINING NEGATIVE ELECTRODES AND BATTERIES INCLUDING THE SAME Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18347135 CATHODE ACTIVE MATERIAL WITH COATING LAYER INCLUDING A TRANSITION METAL OXIDE FOR CATHODE ELECTRODES Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC
18278532 NONAQUEOUS ELECTROLYTE ENERGY STORAGE DEVICE Non-Final OA GS Yuasa International Ltd.
18279174 SEPARATION METHOD FOR SEPARATING CONSTITUENT MATERIAL FROM MEMBER AND METHOD FOR PROCESSING MEMBER Non-Final OA Mitsui Mining & Smelting Co., Ltd.
18132192 BATTERY ASSEMBLY AND POWER SOURCE DEVICE Final Rejection VEHICLE ENERGY JAPAN INC.
18529597 CONDUCTING POLYMER NETWORK-PROTECTED CATHODE ACTIVE MATERIALS FOR LITHIUM SECONDARY BATTERIES Final Rejection Honeycomb Battery Company
18616531 LITHIUM ION CELLS WITH HIGH PERFORMANCE ELECTROLYTE AND SILICON OXIDE ACTIVE MATERIALS ACHIEVING VERY LONG CYCLE LIFE PERFORMANCE Non-Final OA Ionblox, Inc.
18018060 COMPOSITION, RESIN COMPOSITION, COMPOSITION FOR POSITIVE ELECTRODE, SLURRY FOR POSITIVE ELECTRODE, POSITIVE ELECTRODE, AND SECONDARY BATTERY Non-Final OA DENKA COMPANY LIMITED
18349770 METHODS OF MAKING LITHIUM ION CONDUCTING SULFIDE GLASS Non-Final OA PolyPlus Battery Company
18279335 METHOD OF MANUFACTURING AN ELECTROCHEMICAL ENERGY STORAGE ELEMENT Non-Final OA VARTA Microbattery GmbH
18277660 CATHODE ACTIVE MATERIAL FOR SODIUM-ION BATTERIES, AND PREPARATION METHOD THEREFORE AND APPLICATION THEREOF Non-Final OA Jiangsu Xiangying New Energy Technology CO., LTD.
18264037 THERMAL MANAGEMENT OF A BATTERY MODULE AND OF A BATTERY PACK Non-Final OA AURORA POWERTRAINS OY
18260886 HIGH-COMPACTION LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE AND BATTERY INCLUDING THE SAME Non-Final OA HUBEI WANRUN NEW ENERGY TECHNOLOGY CO., LTD.
17915766 METHOD OF MANUFACTURING COMPOSITE HYDROXIDE AND COMPOSITE HYDROXIDE Non-Final OA TANAKA CHEMICAL CORPORATION
18204628 ELECTROSPUN POLYMERS FOR CATHODE-POLYMER-ELECTROLYTE-INTERFACES (CPEI) TO ENABLE SOLID-STATE ELECTROLYTES IN LI-ION BATTERIES Non-Final OA Ionic Materials, Inc.
18313119 Fuel Cell Assemblies with Improved Contact Pressure Distribution Non-Final OA Cevizdere LLC
17927456 ANODE PIECE FOR LITHIUM BATTERY HAVING BOTH HIGH SAFETY AND HIGH CAPACITY, AND PREPARATION METHOD AND USE THEREFOR Non-Final OA BEIJING WELION NEW ENERGY TECHNOLOGY CO., LTD

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month