Prosecution Insights
Last updated: May 29, 2026

Examiner: NGUYEN, TRUNG Q

Tech Center 2800 • Art Units: 2829 2858 2866 2893

This examiner grants 91% of resolved cases

Performance Statistics

91.0%
Allow Rate
+23.0% vs TC avg
870
Total Applications
+6.0%
Interview Lift
909
Avg Prosecution Days
Based on 843 resolved cases, 2023–2026

Rejection Statute Breakdown

4.6%
§101 Eligibility
15.4%
§102 Novelty
70.2%
§103 Obviousness
4.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18694580 METHOD AND SYSTEM FOR INSPECTING AND SEPARATING BATTERY Non-Final OA LG ENERGY SOLUTION, LTD.
18543590 Battery Management Apparatus and Operating Method Thereof Final Rejection LG Energy Solution, Ltd.
18764949 DIRECT CURRENT RESISTANCE DETECTION METHOD FOR BATTERIES, SYSTEM, DEVICE, AND STORAGE MEDIUM Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18294681 Method for Flow Measurement Subject to Interference, Magneto-Inductive Flow Meter and Computer Program Product Non-Final OA Siemens Aktiengesellschaft
18692592 ESTIMATING BATTERY STATE OF HEALTH Final Rejection Cummins Inc.
18389505 EVALUATION SYSTEM FOR DRY ELECTRODE MIXTURE OF VEHICLE BATTERY Final Rejection Kia Corporation
18833451 METHOD AND APPARATUS FOR FAULT DETECTION IN DISTRIBUTION GRID Non-Final OA Safegrid Oy
18791935 METHOD FOR DETERMINING A GROUNDING RESISTANCE, GROUNDING RESISTANCE SURVEILLANCE SYSTEM AND MEASUREMENT DEVICE Non-Final OA DEHN SE
18765836 METHOD AND SYSTEM FOR IMPEDANCE-BASED QUANTIFICATION AND MICROFLUIDIC CONTROL Non-Final OA UNIVERSITY OF VIRGINIA PATENT FOUNDATION
18741067 SIGNAL ACCESS EXTENDER APPARATUS Non-Final OA RSD Aviation Patent, LLC
18672031 ENERGY MEASUREMENT METER AND ENERGY MEASURING METHOD Non-Final OA Chicony Power Technology Co., Ltd.
18711493 CYLINDER WITH INTEGRAL POSITION SENSOR Non-Final OA UNIVERSITÉ D'EVRY VAL D'ESSONNE
18418564 METHOD FOR ESTIMATION OF STATE OF CHARGE AND STATE OF HEALTH IN A LITHIUM-ION BATTERY PACK, AND SYSTEM THEREOF Non-Final OA Hong Kong Metropolitan University
18394808 SYSTEMS, METHODS, AND DEVICES FOR ESTIMATING AN ADAPTIVE STATE-OF-CHARGE ESTIMATE OF AN ENERGY STORAGE SYSTEM Non-Final OA Nuvation Research Corporation
18281458 IN-SITU ELECTROCHEMICAL CELL WITH SIMULTANEOUS THERMAL ANALYSIS Non-Final OA FRIEDRICH-SCHILLER-UNIVERSITÄT JENA

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