Prosecution Insights
Last updated: August 16, 2026

Examiner: KRCHA, MATTHEW D

Tech Center 1700 • Art Units: 1758 1773 1796 1798 1799

This examiner grants 65% of resolved cases

Performance Statistics

65.0%
Allow Rate
At TC average
635
Total Applications
+35.3%
Interview Lift
1187
Avg Prosecution Days
Based on 563 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
17.7%
§102 Novelty
52.1%
§103 Obviousness
25.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18082087 GENE AMPLIFICATION CHIP, APPARATUS FOR GENE AMPLIFICATION, AND APPARATUS FOR BIO-PARTICLE ANALYSIS Non-Final OA SAMSUNG ELECTRONICS CO, LTD.
18216802 METHODS AND APPARATUS TO POSITION THIN-FILM SPECIMENS Non-Final OA Illinois Tool Works Inc.
18128283 CULTURING METHOD AND CULTURING DEVICE Non-Final OA HONDA MOTOR CO., LTD.
18190284 TEST CONTAINER, TEST DEVICE, AND NUCLEIC ACID TEST METHOD Non-Final OA FUJIFILM Corporation
18037653 MINI-ORGAN INSERT FOR IN VITRO CO-CULTURE STUDIES Final Rejection The Regents of the University of California
18706775 Automatic Analyzer Non-Final OA Hitachi High-Tech Corporation
17996291 MAGNETIC PARTICLE SPECTROSCOPY METHOD AND DEVICE Non-Final OA Regents of the University of Minnesota
18013200 PERFUSION-ENABLED BIOREACTOR Non-Final OA University of Florida Research Foundation, Inc.
18037570 DEVICES FOR CELL OR TISSUE CULTURING, OR TESTING IN VITRO MUSCLE TISSUE Non-Final OA KONINKLIJKE PHILIPS N.V.
18465134 APPARATUS FOR APPLYING THERMAL ENERGY TO A RECEPTACLE AND DETECTING AN EMISSION SIGNAL FROM THE RECEPTACLE Non-Final OA GEN-PROBE INCORPORATED
18039365 CELL CULTURE MEDIA CONDITIONING VESSELS AND PERFUSION BIOREACTOR SYSTEM Non-Final OA CORNING INCORPORATED
17624440 IMMOBILIZATION AND QUANTITATIVE MEASUREMENT OF DROPLETS Final Rejection THE JOHNS HOPKINS UNIVERSITY
18129032 DEVICES, SYSTEMS, AND METHODS FOR EXTRACTING A MATERIAL FROM A MATERIAL SAMPLE Non-Final OA Roche Molecular Systems, Inc.
17096667 DEVICES, SYSTEMS, AND METHODS FOR EXTRACTING A MATERIAL FROM A MATERIAL SAMPLE Final Rejection Roche Molecular Systems, Inc
18543207 PIXELATED CAPACITOR SENSOR CHARGE SHARING READOUT SYSTEM Non-Final OA NXP B.V.
17738480 Composite Energetic Material With Self-Regulated Temperature Final Rejection The Trustees of the University of Pennsylvania
17630975 Microfluidic Pipette Aspirators for Large-Scale Analysis of Single Cells, Clusters and Their Sub-Populations Final Rejection Texas Tech University System
18016379 THERMAL CYCLER COMPRISING DAMPING MODULE Final Rejection SEEGENE, INC.
18078328 DILUTION SOLUTION FOR MEASURING FREE STEROIDS IN BLOOD AND METHOD FOR MEASURING STEROID USING THE SAME Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18320315 SYSTEM AND METHOD FOR CELL AND TISSUE PREPARATION Non-Final OA DEKA Products Limited Partnership
18546223 MICROFLUIDIC CASSETTE Final Rejection QuantuMDx Group Limited

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