Prosecution Insights
Last updated: August 17, 2026

Examiner: KUAN, JOHN CHUNYANG

Tech Center 4100 • Art Units: 1785 2127 2857 3624 3666 4100

This examiner grants 72% of resolved cases

Performance Statistics

72.4%
Allow Rate
+12.4% vs TC avg
586
Total Applications
+46.9%
Interview Lift
1118
Avg Prosecution Days
Based on 555 resolved cases, 2023–2026

Rejection Statute Breakdown

28.4%
§101 Eligibility
9.1%
§102 Novelty
32.3%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18639443 SYSTEMS AND METHODS FOR MODELING DISPLACEMENT SPECTRUMS FROM DISTRIBUTED ACOUSTIC SENSING OF STRAIN MEASUREMENTS FOR MOMENT MAGNITUDE ESTIMATION Non-Final OA Schlumberger Technology Corporation
18593006 APPARATUS AND ISLANDING DETERMINATION METHOD IN DISTURBANCE AND DISTORTION SYSTEM Non-Final OA HYUNDAI MOBIS CO., LTD.
18511420 Method and Apparatus for Predictive Diagnosis of a Device Battery of a Technical Device Using a Multivariate Transformer Model Non-Final OA Robert Bosch GmbH
17880054 SYSTEM AND METHOD FOR DETECTING DEFECTS IN PIPELINES Non-Final OA Saudi Arabian Oil Company
18496537 BATTERY REPLACEMENT SYSTEM AND METHOD Non-Final OA SAMSUNG SDI CO., LTD.
18193156 Electrochemical Spectroscopy with Amplitude Compensation Final Rejection TEXAS INSTRUMENTS INCORPORATED
18696218 MEMORY PERFORMANCE EVALUATION USING ADDRESS MAPPING INFORMATION Non-Final OA Micron Technology, Inc.
18501823 APPARATUS FOR ESTIMATING WHEEL SLIP RATE OF A VEHICLE AND AN APPARATUS FOR ESTIMATING DRIVING SPEED USING THE SAME Non-Final OA IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
18393954 POSITION SENSING METHOD AND SYSTEM Non-Final OA Allegro MicroSystems, LLC
18445176 System and method for managing life sustaining bio-systems Final Rejection VOC HEALTH, INC.

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