Prosecution Insights
Last updated: May 29, 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
1,365
Total Applications
+14.2%
Interview Lift
899
Avg Prosecution Days
Based on 1333 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
11.3%
§102 Novelty
78.2%
§103 Obviousness
4.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
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.
19271066 SCAFFOLDING MATRIX WITH INTERNAL NANOPARTICLES Final Rejection Sila Nanotechnologies, Inc.
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
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
18225343 RESIN CURRENT COLLECTOR AND LAMINATED BATTERY Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18026432 ENERGY STORAGE CELL Final Rejection Tesla, Inc.
18354593 MASK FOR STITCHING EXPOSURE Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18354889 SUBSTRATE TREATMENT METHOD, AND COMPUTER STORAGE MEDIUM Non-Final OA Tokyo Electron Limited
18338379 4H/FCC HETEROPHASE PLATINUM BASED NANOMATERIAL ON NANOROD FOR ELECTROCATALYTIC ALCOHOL OXIDATION Non-Final OA City University of Hong Kong
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
18189389 CELL FORMATION SYSTEM INCLUDING COMPRESSION FIXTURE FOR LITHIUM CONTAINING SECONDARY BATTERIES Non-Final OA Enovix Corporation
18517882 LITHIUM ALL-SOLID-STATE BATTERY Non-Final OA The Regents of the Univerity of Colorado, a body corporate
18316977 REDOX FLOW BATTERY AND BATTERY SYSTEM Non-Final OA ESS TECH, INC.
18276789 REFLECTIVE PHOTOMASK BLANK AND REFLECTIVE PHOTOMASK Non-Final OA TEKSCEND PHOTOMASK CORP.
18024958 PHASE SHIFT MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR MANUFACTURING PHASE SHIFT MASK Non-Final OA TEKSCEND PHOTOMASK CORP.
18358561 PELLICLE FOR EUV LITHOGRAPHY Non-Final OA S&S TECH 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