Prosecution Insights
Last updated: May 29, 2026

Examiner: CHOI, YOUNHEE JEON

Tech Center 3700 • Art Units: 3793 3797

This examiner grants 71% of resolved cases

Performance Statistics

71.1%
Allow Rate
+1.1% vs TC avg
219
Total Applications
+48.1%
Interview Lift
1233
Avg Prosecution Days
Based on 190 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
2.1%
§102 Novelty
86.8%
§103 Obviousness
6.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18780407 CROSS-RAY ULTRASOUND TOMOGRAPHY (CRUST) METHODS AND SYSTEMS Non-Final OA California Institute of Technology
19055401 CANNULA AND STYLET REVERSER Non-Final OA Mayo Foundation for Medical Education and Research
17466302 ULTRASOUND-INDUCED CONVECTION FOR DRUG DELIVERY AND TO DRIVE GLYMPHATIC OR LYMPHATIC FLOWS Final Rejection The Board of Trustees of the Leland Stanford Junior University
18966206 ULTRASOUND DIAGNOSTIC DEVICE Final Rejection Canon Kabushiki Kaisha
18949957 ACOUSTIC MATCHING MEMBER AND METHOD FOR CAPTURING MEDICAL IMAGE Non-Final OA FUJIFILM Corporation
19092782 ULTRASOUND IMAGING METHOD FOR ASSISTING IN DETERMINING CARDIAC REGURGITATION, AND ULTRASOUND IMAGING APPARATUS Non-Final OA GE Precision Healthcare LLC
18426544 HYBRID TIME DOMAIN MULTIPLEXING AND FREQUENCY DOMAIN MULTIPLEXING CONFIGURATIONS FOR ULTRASOUND FETAL HEART RATE MONITORING SYSTEMS Non-Final OA GE Precision Healthcare LLC
18231921 BIOPSY SITE MARKER HAVING EXPANDABLE PORTION Non-Final OA Devicor Medical Products, Inc.
19100114 INTRAVASCULAR DUAL FREQUENCY SONOTHROMBOLYSIS MEDIATED WITH MICROBUBBLES/NANODROPLETS Non-Final OA The University of North Carolina at Chapel Hill
18720482 METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR USING TRAINED MACHINE LEARNING MODEL INCLUDING AN ATTENTION MODULE TO ESTIMATE GESTATIONAL AGE FROM ULTRASOUND IMAGE DATA Non-Final OA The University of North Carolina at Chapel Hill
19058651 BIOPSY SITE MARKER Non-Final OA HOLOGIC, INC
18481344 MAGNETIC ACTUATION SYSTEM HAVING CURVED MAGNETIC CORE Final Rejection Daegu Gyeongbuk Institute of Science and Technology
18679440 METHOD OF MARKING LESIONS Final Rejection Cook Medical Technologies LLC
18822357 APPARATUS FOR VOLUMETRIC ULTRASOUND SCANNING Non-Final OA Rivanna Medical, Inc.
18772331 MODULAR WIRELESS SYSTEM FOR MULTI-POINT SYNCHRONOUS MEASUREMENT OF CARDIAC AND VASCULAR INDICATORS, THEIR FUNCTION AND THE DIFFERENCES OVER TIME Final Rejection Arenal Medical Corp.
18693309 SYSTEMS, DEVICES AND METHODS FOR ULTRASOUND DETECTION OF VASCULAR HEMODYNAMIC MEASURES Non-Final OA MOONRISE MEDICAL, INC.
18312116 MARKER FOR IDENTIFYING SURGICAL CAVITY IN TARGETED RADIATION Non-Final OA The John Hopkins University

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