Prosecution Insights
Last updated: April 19, 2026

Examiner: FRASER, STEWART A

Tech Center 1700 • Art Units: 1721 1724 1737 1795

This examiner grants 86% of resolved cases

Performance Statistics

86.0%
Allow Rate
+21.0% vs TC avg
1365
Total Applications
+14.2%
Interview Lift
960
Avg Prosecution Days
Based on 1320 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
24.2%
§102 Novelty
45.2%
§103 Obviousness
17.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18328395 METHOD OF MANUFACTURING PHOTOMASK, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18252649 CATHODE ACTIVE MATERIAL, CATHODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME, AND PREPARATION METHOD THEREFOR Non-Final OA Samsung Electronics Co., Ltd.
18302375 CRITICAL DIMENSION INSPECTION METHOD AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18181597 SPIRALLY WOUND ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18260441 HOLOGRAM RECORDING MEDIUM, HOLOGRAM OPTICAL ELEMENT, OPTICAL DEVICE, OPTICAL COMPONENT, AND METHOD FOR FORMING HOLOGRAM DIFFRACTION GRATING Non-Final OA SONY GROUP CORPORATION
18260345 HOLOGRAM RECORDING MEDIUM, HOLOGRAM OPTICAL ELEMENT, OPTICAL DEVICE, OPTICAL COMPONENT, AND METHOD FOR FORMING HOLOGRAM DIFFRACTION GRATING Non-Final OA SONY GROUP CORPORATION
18773019 Asymmetric Battery Having a Semi-Solid Cathode and High Energy Density Anode Non-Final OA 24M Technologies, Inc.
18271109 Pouch-Shaped Battery Cell with Improved Safety and Battery Module Including the Same Non-Final OA LG Energy Solution, Ltd.
18033498 Method for Manufacturing Electrode Assembly, Sealing Unit Used for the Same, and Electrode Assembly Manufactured by Sealing Unit Non-Final OA LG Energy Solution, Ltd.
18457908 ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE FILM, PATTERN FORMING METHOD, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18355269 ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE FILM, PATTERN FORMING METHOD, AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18355053 PATTERN FORMING METHOD AND METHOD FOR MANUFACTURING ELECTRONIC DEVICE Non-Final OA FUJIFILM Corporation
18337428 ANODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Non-Final OA SK On Co., Ltd.
18274183 MASK BLANK AND REFLECTIVE MASK Non-Final OA HOYA CORPORATION
18251776 POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM-ION SECONDARY BATTERY, AND VEHICLE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
18225343 RESIN CURRENT COLLECTOR AND LAMINATED BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18214743 VEHICLE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18276704 Energy Storage Cell and Method for the Production Thereof Non-Final OA Bayerische Motoren Werke Aktiengesellschaft
18360853 EXTREME ULTRAVIOLET LITHOGRAPHY METHOD AND EUV PHOTOMASK Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18354593 MASK FOR STITCHING EXPOSURE Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18026432 ENERGY STORAGE CELL Final Rejection Tesla, Inc.
18354889 SUBSTRATE TREATMENT METHOD, AND COMPUTER STORAGE MEDIUM Non-Final OA Tokyo Electron Limited
18321596 METAL CONTAINING PHOTORESIST DEVELOPER COMPOSITION, AND METHOD OF FORMING PATTERNS INCLUDING STEP OF DEVELOPING USING THE COMPOSITION Non-Final OA SAMSUNG SDI CO., LTD.
18254124 RESIST COMPOSITION AND METHOD FOR FORMING RESIST PATTERN Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18252720 PASTE FOR ELECTROCHEMICAL DEVICE, SLURRY FOR ELECTROCHEMICAL DEVICE ELECTRODE, ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE Non-Final OA ZEON CORPORATION
18252719 ELECTRODE FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE Non-Final OA ZEON CORPORATION
18338379 4H/FCC HETEROPHASE PLATINUM BASED NANOMATERIAL ON NANOROD FOR ELECTROCATALYTIC ALCOHOL OXIDATION Non-Final OA City University of Hong Kong
18450932 PATTERNED DARK MIRROR COATINGS FOR MULTI-FUNCTIONAL OPTICS Non-Final OA The Aerospace Corporation
18254744 SILICON-CONTAINING RESIST UNDERLAYER FILM FORMING COMPOSITION Non-Final OA NISSAN CHEMICAL CORPORATION
18262035 METHOD FOR CORRECTING LITHOGRAPHY PATTERN OF SURFACE PLASMA Non-Final OA INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES

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