Prosecution Insights
Last updated: May 29, 2026

Examiner: CHAU, LINDA N

Tech Center 1700 • Art Units: 1785 1794

This examiner grants 44% of resolved cases

Performance Statistics

43.6%
Allow Rate
-21.4% vs TC avg
615
Total Applications
+16.0%
Interview Lift
1397
Avg Prosecution Days
Based on 569 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
4.2%
§102 Novelty
92.1%
§103 Obviousness
2.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18064187 MIXED ELECTROLYTE FOR LI-S BATTERY Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18025548 Positive Electrode for Lithium Secondary Battery, and Lithium Secondary Battery Comprising Same Final Rejection LG Energy Solution, Ltd.
18009650 BATTERY MODULE, BATTERY PACK INCLUDING SAME, AND VEHICLE Non-Final OA LG ENERGY SOLUTION, LTD.
17922309 LITHIUM-SULFUR BATTERY HAVING HIGH ENERGY DENSITY Non-Final OA LG Energy Solution, Ltd.
18572677 GLASS PLATE, DISK-SHAPED GLASS, MAGNETIC DISK GLASS SUBSTRATE, AND METHOD FOR MANUFACTURING GLASS PLATE Final Rejection HOYA CORPORATION
18187017 MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND REPRODUCING DEVICE Non-Final OA FUJIFILM Corporation
18757954 MAGNETIC RECORDING MEDIA WITH SMALL RECORDING GRAIN SIZES, HIGH ASPECT RATIO, AND METHODS OF FABRICATING SAME Non-Final OA Western Digital Technologies, Inc.
18758385 MAGNETIC RECORDING MEDIA WITH NI-PT SEED LAYER Final Rejection Western Digital Technologies, Inc.
17919942 Mirrored Winding Pack for Stacked-Plate Superconducting Magnets Non-Final OA Massachusetts Institute of Technology
18945170 MAGNETIC BASE BODY CONTAINING METAL MAGNETIC PARTICLES AND COIL COMPONENT INCLUDING THE SAME Non-Final OA TAIYO YUDEN CO., LTD.
18159390 NANOGRANULAR MAGNETIC FILM AND ELECTRONIC COMPONENT Final Rejection TDK CORPORATION
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.
18067215 BATTERY Final Rejection KABUSHIKI KAISHA TOSHIBA
18861283 FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM Final Rejection Resonac Corporation
18861341 FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM Non-Final OA Resonac Corporation
18114202 THERMALLY STABLE, CLADDED PERMANENT MAGNETS, AND COMPOSITIONS AND METHODS FOR MAKING THE SAME Final Rejection HRL Laboratories, LLC
18193969 BATTERY MODULE AND ELECTRICAL DEVICE Non-Final OA Ningde Amperex Technology Limited
18706446 GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM, GLASS DISK FOR MAGNETIC RECORDING MEDIUM, METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM, AND METHOD FOR MANUFACTURING GLASS DISK Final Rejection Nippon Electric Glass Co., Ltd.
18456911 GLASS COMPOSITION, GLASS ARTICLE PREPARED THEREFROM, AND DISPLAY DEVICE Final Rejection Kongju National University Industry-University Cooperation Foundation
18117785 EDGE-MILLED MAGNETIC WIRE AND MANUFACTURE THEREOF Non-Final OA SNU R&DB FOUNDATION
18574347 R-FE-B SINTERED MAGNET, PREPARATION METHOD AND USE THEREOF Final Rejection NANTONG ZHENGHAI MAGNET CO., LTD.
17648502 POWDER MAGNETIC CORE, INDUCTOR, AND METHOD FOR MANUFACTURING POWDER MAGNETIC CORE Final Rejection TOKIN Corporation
18264588 POWER SUPPLY DEVICE Non-Final OA Panasonic Energy Co.,Ltd.
18022188 ENERGY STORAGE DEVICE AND CELL THEREOF Final Rejection Guangdong Mic-Power New Energy 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.

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