Prosecution Insights
Last updated: May 29, 2026

Examiner: KRCHA, MATTHEW D

Tech Center 1700 • Art Units: 1758 1773 1796 1798

This examiner grants 66% of resolved cases

Performance Statistics

65.9%
Allow Rate
+0.9% vs TC avg
623
Total Applications
+35.7%
Interview Lift
1177
Avg Prosecution Days
Based on 548 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
5.2%
§102 Novelty
85.6%
§103 Obviousness
4.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18187445 FLUIDIC DEVICES INCLUDING HYBRID BONDING, AND METHODS OF MAKING THE SAME Final Rejection Illumina, Inc.
17936200 FLOW CELLS WITH DARK QUENCHER Non-Final OA ILLUMINA, INC.
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
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
18279339 Infectious Disease Testing Method Non-Final OA SHIMADZU CORPORATION
18128283 CULTURING METHOD AND CULTURING DEVICE Non-Final OA HONDA MOTOR CO., LTD.
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
17963135 Coated Substrate for Biological Reaction Systems Final Rejection LIFE TECHNOLOGIES CORPORATION
18001878 BIOLOGICAL SAMPLE ANALYZER WITH AUTOMATIC THERMAL COOLING ADJUSTMENT FOR ALTITUDE Non-Final OA Siemens Healthcare Diagnostics Inc.
18095547 CULTURE DEVICE FOR BIOCHEMICAL TESTING Final Rejection National Tsing Hua 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
17788697 MICROFLUIDIC CARTRIDGES FOR PROCESSING PARTICLES AND CELLS Final Rejection ZEON CORPORATION
17636883 MICROCHIP Final Rejection Ushio Denki Kabushiki Kaisha
16319540 BIOSENSOR CARTRIDGE WITH SAMPLE ACQUISITION Final Rejection Zomedica Biotechnologies LLC
18264150 SUPPORT FIXTURE FOR CHROMATOGRAPHY COLUMNS Non-Final OA Takeda Pharmaceutical Company Limited
17893162 ADDITION OF ALKALINE MATERIALS TO BIOTRICKLING FILTER OR BIO-FILTER MAKE-UP WATER Final Rejection Evoqua Water Technologies LLC
18031664 BIOPROCESSING VESSEL HAVING INTEGRAL FLUID CONDUIT Non-Final OA GLOBAL LIFE SCIENCES SOLUTIONS USA LLC
17923974 SENSOR ARRANGEMENT FOR SIMULTANEOUS MEASUREMENT OF OPTICAL AND ELECTRICAL PROPERTIES Final Rejection AIT Austrian Institute of Technology GmbH
18268191 APPARATUS FOR TESTING A LIQUID SPECIMEN USING SUCTION Non-Final OA CLINICAL DESIGN TECHNOLOGIES LIMITED
18252573 TESTING DEVICES, SYSTEMS AND METHODS Non-Final OA LEX DIAGNOSTICS LTD
18141885 SYSTEMS AND METHODS FOR SIMULTANEOUS DETECTION AND IDENTIFICATION OF MICROORGANISMS WITHIN A FLUID SAMPLE Non-Final OA BacterioScan, Inc.
18166723 HIGH THROUGHPUT ANALYSIS AND SORTING, AND SAMPLING INTERFACE AND ASSEMBLY FOR HIGH THROUGHPUT ANALYSIS AND SORTING Non-Final OA Michael Iannotti
18103612 Magnetic Bead Reaction System Non-Final OA IDEX Health & Science, LLC
18102993 SLIDE RACK GRIPPER APPARATUS Non-Final OA Leica Biosystems Imaging, Inc.

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