Prosecution Insights
Last updated: August 18, 2026

Examiner: ISHIZUKA, YOSHIHISA

Tech Center 3700 • Art Units: 2857 2863 2865 3797

This examiner grants 68% of resolved cases

Performance Statistics

68.4%
Allow Rate
-1.6% vs TC avg
461
Total Applications
+19.8%
Interview Lift
1303
Avg Prosecution Days
Based on 433 resolved cases, 2023–2026

Rejection Statute Breakdown

24.2%
§101 Eligibility
4.7%
§102 Novelty
34.2%
§103 Obviousness
33.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18637731 DOWNHOLE ANOMALY LOCALIZATION AND INTERPRETATION USING ACOUSTIC AND ELECTROMAGNETIC LOGGING Non-Final OA HALLIBURTON ENERGY SERVICES, INC.
18485077 DRILLING FLUID CONTAMINATION DETERMINATION FOR DOWNHOLE FLUID SAMPLING TOOL Non-Final OA Halliburton Energy Services, Inc.
18383136 TEMPERATURE MEASUREMENT SYSTEM AND TEMPERATURE MEASUREMENT METHOD Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18482821 SYSTEM AND METHOD FOR DISTRIBUTED ACOUSTIC SENSING VERTICAL SEISMIC PROFILE MODELING Final Rejection Chevron U.S.A. Inc.
17975500 BATTERY MANAGEMENT SYSTEM FOR DETERMINING A HEALTH OF A POWER SOURCE BASED ON CHARGING EVENTS Final Rejection The Board of Trustees of the Leland Stanford Junior University
18634390 PROXIMITY ROTATIONAL ANGULAR MEASUREMENT Non-Final OA RTX Corporation
18581194 SYSTEMS, METHODS, AND DEVICES FOR BATTERY MANAGEMENT AND MEASUREMENT Non-Final OA Cypress Semiconductor Corporation
18129502 SYSTEMS AND METHODS FOR PROVIDING SYNTHETIC DATA Final Rejection Optum, Inc.
18383007 NON-DESTRUCTIVE THREE-DIMENSIONAL PROBING AND CHARACTERIZATION OF SPECIMENS Non-Final OA Applied Materials Israel Ltd.
18277729 NOWCASTING USING GENERATIVE NEURAL NETWORKS Final Rejection DeepMind Technologies Limited

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