Prosecution Insights
Last updated: August 18, 2026

Examiner: CHAU, LISA N

Tech Center 2800 • Art Units: 1785 1794 2837

This examiner grants 25% of resolved cases

Performance Statistics

25.0%
Allow Rate
-43.0% vs TC avg
568
Total Applications
+17.0%
Interview Lift
1594
Avg Prosecution Days
Based on 508 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
11.9%
§102 Novelty
56.9%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18689299 MAGNETIC RECORDING MEDIUM Non-Final OA Sony Group Corporation
18572658 MAGNETIC RECORDING MEDIUM Final Rejection Sony Group Corporation
18566385 Cathode Additives for Lithium Secondary Battery, Manufacturing Method of the Same, Cathode Including the Same, and Lithium Secondary Battery Including the Same Non-Final OA LG Chem, Ltd.
18286170 Flexible Busbar Having Cover Member Capable of Preventing Corrosion and Battery Module Including the Same Non-Final OA LG Energy Solution, Ltd.
18029661 POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Final Rejection LG Energy Solution, Ltd.
18029458 BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING THE SAME Non-Final OA LG ENERGY SOLUTION, LTD.
18025580 Cathode with Improved Structural Stability for Lithium Secondary Battery, Method for Manufacturing Same, and Lithium Secondary Battery Comprising Same Final Rejection LG Energy Solution, Ltd.
18024164 Electrode Assembly Having Short Circuit Prevention Coating Portion Non-Final OA LG Energy Solution, Ltd.
18594115 SOFT MAGNETIC METAL PARTICLE, DUST CORE, AND MAGNETIC COMPONENT Non-Final OA TDK Corporation
18358433 MAGNETIC CORE AND MAGNETIC COMPONENT Non-Final OA TDK CORPORATION
17992409 SOFT MAGNETIC POWDER, MAGNETIC CORE, MAGNETIC COMPONENT, AND ELECTRONIC DEVICE Final Rejection TDK CORPORATION
17760796 PROCESS FOR THE PREPARATION OF AN ASPHALT MIX COMPOSITION Final Rejection BASF SE
18372812 CYLINDRICAL SECONDARY BATTERY Non-Final OA SAMSUNG SDI CO., LTD.
18363524 MAGNET ASSEMBLY FOR ORIENTATION AND ORIENTATION METHOD FOR ACTIVE MATERIAL LAYER USING THE SAME Final Rejection SAMSUNG SDI CO., LTD.
18248842 SECONDARY BATTERY Non-Final OA Samsung SDI Co., Ltd.
19209364 MAGNETIC COMPONENT Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
18285246 CEMENT ADDITIVE FOR RETARDATION OF CEMENT HYDRATION, CEMENT MIXTURES INCLUDING SAME, AND METHODS OF FORMING AND USING SAME Non-Final OA The Regents of the University of Colorado, a body corporate
17436581 LIVING STRUCTURAL MATERIAL Non-Final OA The Regents of the University of Colorado, a body corporate
18956203 THERMO-MECHANICAL-OPTICAL BONDING OF LUBRICANTS TO CARBON OVERCOAT OF MAGNETIC RECORDING MEDIA Final Rejection Western Digital Technologies, Inc.
18656812 MEDIA LUBRICANTS SYNTHESIS WITH CLICK CHEMISTRY Final Rejection Western Digital Technologies, Inc.
18593481 HIGH TEMPERATURE LUBRICANTS FOR MAGNETIC MEDIA HAVING MORE THERMALLY STABLE END GROUPS Final Rejection Western Digital Technologies, Inc.
18285567 RESIN FILM FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE Non-Final OA DAI NIPPON PRINTING CO., LTD.
18556133 MAGNETOSTRICTIVE MEMBER AND METHOD FOR MANUFACTURING MAGNETOSTRICTIVE MEMBER Final Rejection SUMITOMO METAL MINING CO., LTD.
18090438 ELECTRONIC DEVICE WITH ELECTROMAGNET Final Rejection Advanced Semiconductor Engineering, Inc.
17762453 EXPANDED GRANULAR MATERIAL CONSISTING OF MINERAL MATERIAL Non-Final OA Omya International AG
18253944 FUEL CELL MEMBRANE HUMIDIFIER AND FUEL CELL SYSTEM COMPRISING SAME Non-Final OA KOLON INDUSTRIES, INC.
18374914 UNDULATOR PHASE TUNING WITH MECHANICAL SHIMMING Final Rejection UCHICAGO ARGONNE, LLC

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