Prosecution Insights
Last updated: April 19, 2026

Examiner: KRCHA, MATTHEW D

Tech Center 1700 • Art Units: 1773 1796 1798

This examiner grants 66% of resolved cases

Performance Statistics

65.8%
Allow Rate
+0.8% vs TC avg
615
Total Applications
+35.6%
Interview Lift
1200
Avg Prosecution Days
Based on 544 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
21.9%
§102 Novelty
47.8%
§103 Obviousness
22.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17936200 FLOW CELLS WITH DARK QUENCHER Non-Final OA ILLUMINA, INC.
18264150 SUPPORT FIXTURE FOR CHROMATOGRAPHY COLUMNS Non-Final OA Takeda Pharmaceutical Company Limited
18037653 MINI-ORGAN INSERT FOR IN VITRO CO-CULTURE STUDIES Non-Final OA The Regents of the University of California
18039365 CELL CULTURE MEDIA CONDITIONING VESSELS AND PERFUSION BIOREACTOR SYSTEM Non-Final OA CORNING INCORPORATED
17739751 Water Distillation Apparatus, Method, and System Non-Final OA DEKA Products Limited Partnership
17713642 WATER DISTILLATION APPARATUS, METHOD, AND SYSTEM Final Rejection DEKA Products Limited Partnership
18190284 TEST CONTAINER, TEST DEVICE, AND NUCLEIC ACID TEST METHOD Non-Final OA FUJIFILM Corporation
17904302 Method and Device for Carrying Out a qPCR Method Final Rejection Robert Bosch GmbH
18012632 MEASURING DEFORMABILITY OF A CELL VIA A PRESSURE FIELD Final Rejection Hewlett-Packard Development Company, L.P.
18279339 Infectious Disease Testing Method Non-Final OA SHIMADZU CORPORATION
18128283 CULTURING METHOD AND CULTURING DEVICE Non-Final OA HONDA MOTOR CO., LTD.
18102993 SLIDE RACK GRIPPER APPARATUS Final Rejection Leica Biosystems Imaging, Inc.
18011221 AUTOMATIC ANALYZER AND MAINTENANCE METHOD FOR AUTOMATIC ANALYZER Final Rejection HITACHI HIGH-TECH CORPORATION
17928997 NUCLEIC ACID ANALYZER Non-Final OA HITACHI HIGH-TECH CORPORATION
18016379 THERMAL CYCLER COMPRISING DAMPING MODULE Non-Final OA SEEGENE, INC.
18040137 POINT-OF-CARE NUCLEIC ACID DETECTION DEVICE Final Rejection The General Hospital Corporation
18448335 NOZZLE STRUCTURE Non-Final OA ARKRAY, Inc.
17788697 MICROFLUIDIC CARTRIDGES FOR PROCESSING PARTICLES AND CELLS Final Rejection ZEON CORPORATION
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
17511321 SYSTEMS AND METHODS FOR DETERMINING QUANTITATIVE LOADING OF AN INTEGRATED DEVICE Final Rejection Quantum-Si Incorporated
17224337 Device And Method For Isolating A Target From a Biological Sample Non-Final OA Wisconsin Alumni Research Foundation
18086416 Systems and Methods for Biological Analysis Final Rejection LIFE TECHNOLOGIES CORPORATION
17966364 BIOLOGICAL ANALYSIS SYSTEM AND METHODS Final Rejection Life Technologies Corporation
17963135 Coated Substrate for Biological Reaction Systems Final Rejection LIFE TECHNOLOGIES CORPORATION
18095547 CULTURE DEVICE FOR BIOCHEMICAL TESTING Final Rejection National Tsing Hua University
18460253 SEAL FAILURE DETECTION SYSTEM AND METHODS Non-Final OA Cepheid
17636883 MICROCHIP Final Rejection Ushio Denki Kabushiki Kaisha
16319540 BIOSENSOR CARTRIDGE WITH SAMPLE ACQUISITION Final Rejection Zomedica Biotechnologies LLC
17893162 ADDITION OF ALKALINE MATERIALS TO BIOTRICKLING FILTER OR BIO-FILTER MAKE-UP WATER Final Rejection Evoqua Water Technologies LLC

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