Prosecution Insights
Last updated: August 18, 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
18639062 SYSTEM AND METHOD FOR AUTOMATED OPTICAL ANALYTE MEASUREMENTS VIA WEARABLE SMART DEVICES Non-Final OA Roche Diabetes Care, Inc.
18037653 MINI-ORGAN INSERT FOR IN VITRO CO-CULTURE STUDIES Final Rejection The Regents of the University of California
18543207 PIXELATED CAPACITOR SENSOR CHARGE SHARING READOUT SYSTEM Non-Final OA NXP B.V.
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.
18039365 CELL CULTURE MEDIA CONDITIONING VESSELS AND PERFUSION BIOREACTOR SYSTEM Non-Final OA CORNING INCORPORATED
17927347 APPARATUS AND METHOD FOR PROCESSING BIOLOGICAL SAMPLES Non-Final OA Agilent Technologies, Inc.
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
17738480 Composite Energetic Material With Self-Regulated Temperature Final Rejection The Trustees of the University of Pennsylvania
17592895 LINEAR FOURIER FIDUCIAL Final Rejection ILLUMINA, INC.
17324363 APPARATUS WITH A SENSOR HAVING AN ACTIVE SURFACE Non-Final OA ILLUMINA, 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
18551248 SYSTEMS AND METHODS FOR PROCESSING FLUID CONTAINERS Non-Final OA DH Technologies Development Pte. Ltd.
18031664 BIOPROCESSING VESSEL HAVING INTEGRAL FLUID CONDUIT Final Rejection GLOBAL LIFE SCIENCES SOLUTIONS USA LLC
18460253 SEAL FAILURE DETECTION SYSTEM AND METHODS Final Rejection Cepheid
17965255 DEVICES, METHODS, AND SYSTEMS FOR ELECTROPORATION USING CONTROLLED PARAMETERS Non-Final OA CyteQuest, Inc.

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