Prosecution Insights
Last updated: April 19, 2026

Examiner: CHAU, LINDA N

Tech Center 1700 • Art Units: 1785 1794

This examiner grants 43% of resolved cases

Performance Statistics

43.2%
Allow Rate
-21.8% vs TC avg
612
Total Applications
+16.4%
Interview Lift
1473
Avg Prosecution Days
Based on 558 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
20.0%
§102 Novelty
53.4%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17616359 USE OF AN ADDITIVE KIT IN 3D PRINTING OF A CONSTRUCTION MATERIAL COMPOSITION Final Rejection BASF SE
18278609 BATTERY PACK AND VEHICLE COMPRISING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18025548 Positive Electrode for Lithium Secondary Battery, and Lithium Secondary Battery Comprising Same Final Rejection LG Energy Solution, Ltd.
17922309 LITHIUM-SULFUR BATTERY HAVING HIGH ENERGY DENSITY Non-Final OA LG Energy Solution, Ltd.
18187017 MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND REPRODUCING DEVICE Non-Final OA FUJIFILM Corporation
18115850 SEPARATOR FOR BATTERY PACK OF ELECTRIFIED VEHICLE Non-Final OA Ford Global Technologies, LLC
18572677 GLASS PLATE, DISK-SHAPED GLASS, MAGNETIC DISK GLASS SUBSTRATE, AND METHOD FOR MANUFACTURING GLASS PLATE Final Rejection HOYA CORPORATION
17985698 Gold-Copper Alloy In A Heat-Assisted Magnetic Recording Writer Non-Final OA Headway Technologies, Inc.
17919942 Mirrored Winding Pack for Stacked-Plate Superconducting Magnets Non-Final OA Massachusetts Institute of Technology
18067215 BATTERY Final Rejection KABUSHIKI KAISHA TOSHIBA
18945170 MAGNETIC BASE BODY CONTAINING METAL MAGNETIC PARTICLES AND COIL COMPONENT INCLUDING THE SAME Non-Final OA TAIYO YUDEN CO., LTD.
18285176 SOLID ELECTROLYTE AND BATTERY Non-Final OA LINTEC Corporation
18276319 BATTERY AND METHOD FOR PRODUCING BATTERY Non-Final OA TDK CORPORATION
18022560 MAGNET, AND SMALL DEVICE, MICROACTUATOR, AND SENSOR THAT USE SAID MAGNET Non-Final OA TDK Corporation
18159390 NANOGRANULAR MAGNETIC FILM AND ELECTRONIC COMPONENT Final Rejection TDK CORPORATION
17393974 MAGNETIC DEVICE Final Rejection Delta Electronics, Inc.
18960557 METAL MAGNETIC PARTICLE, INDUCTOR, METHOD FOR MANUFACTURING METAL MAGNETIC PARTICLE, AND METHOD FOR MANUFACTURING METAL MAGNETIC CORE Non-Final OA Murata Manufacturing Co., Ltd.
18861341 FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM Non-Final OA Resonac Corporation
18374682 ELECTRODE ASSEMBLY, BATTERY, AND ELECTRICAL DEVICE Non-Final OA Ningde Amperex Technology Limited
18193969 BATTERY MODULE AND ELECTRICAL DEVICE Non-Final OA Ningde Amperex Technology Limited
18264588 POWER SUPPLY DEVICE Non-Final OA Panasonic Energy Co.,Ltd.
17912081 GLASS DISK FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING DEVICE USING THE SAME Final Rejection NIPPON ELECTRIC GLASS CO., LTD.
18183321 Metal Supported Proton Conduction Fuel Cell with Structured Electrolyte Non-Final OA Nissan North America, Inc.
18117785 EDGE-MILLED MAGNETIC WIRE AND MANUFACTURE THEREOF Non-Final OA SNU R&DB FOUNDATION
18022188 ENERGY STORAGE DEVICE AND CELL THEREOF Final Rejection Guangdong Mic-Power New Energy Co., Ltd.
17928412 NON-WOVEN FABRIC AND PREPARATION METHOD THEREFOR, LITHIUM BATTERY DIAPHRAGM, AND LITHIUM BATTERY DIAPHRAGM BASE MEMBRANE Final Rejection SHENZHEN SENIOR TECHNOLOGY MATERIAL CO., LTD.
17629147 PRESTRESSED CONCRETE Final Rejection HPC OKINAWA CO., LTD.
17627679 PROCESS FOR MANUFACTURING FRICTION MATERIAL, INORGANIC LIQUD BINDER, USE OF LIQUID BINDER FOR MANUFACTURING FRICTION MATERIAL, AND FRICTION MATERIAL Non-Final OA FUNDAÇÃO UNIVERSIDADE DE CAXIAS DO SUL
17267859 CAST MOLD FORMING COMPOSITIONS AND USES THEREOF Non-Final OA ECONCRETE TECH LTD.
15558238 MULTI-LAYERED MICROFIBERS AND USE THEREOF Final Rejection NANOSPUN TECHNOLOGIES LTD.

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