Prosecution Insights
Last updated: April 19, 2026

Examiner: KASS, BENJAMIN JOSEPH

Tech Center 1700 • Art Units: 1798

This examiner grants 30% of resolved cases

Performance Statistics

29.6%
Allow Rate
-35.4% vs TC avg
91
Total Applications
+72.2%
Interview Lift
1301
Avg Prosecution Days
Based on 27 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
20.4%
§102 Novelty
46.3%
§103 Obviousness
31.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18166023 FLOW CELL SYSTEMS AND METHODS RELATED TO SAME Non-Final OA Illumina, Inc.
17790077 FLOW CELL ASSEMBLIES AND RELATED REAGENT SELECTOR VALVES Non-Final OA ILLUMINA, INC.
17780194 MICROFLUIDIC CHIP AND MICROFLUIDIC DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
17291972 SCREENING AND SORTING OF SINGLE CELLS Final Rejection KATHOLIEKE UNIVERSITEIT LEUVEN
17509229 DEVICES AND SYSTEMS FOR DELIVERY OF MATERIALS TO CELLS Final Rejection Massachusetts Institute of Technology
17920929 MICROFLUIDIC PRESSURE IN PAPER (µPIP) FOR ULTRA LOW-COST PRECISION MICRO TOTAL ANALYSIS SYSTEMS Non-Final OA The Texas A&M University System
17942296 MICROCHANNEL DEVICE Non-Final OA Shimadzu Corporation
17996602 AUTOMATIC ANALYZER Non-Final OA HITACHI HIGH-TECH CORPORATION
17781965 Automatic Analysis Device Non-Final OA Hitachi High-Tech Corporation
18386759 CARTRIDGE FOR DETECTING TARGET ANALYTE Non-Final OA SEEGENE, INC.
17693773 MICROFLUIDIC CARTRIDGES FOR ENHANCED AMPLIFICATION OF POLYNUCLEOTIDE-CONTAINING SAMPLES Non-Final OA BECTON, DICKINSON AND COMPANY
17622147 Method and Apparatus for Interrogating Biological Systems Non-Final OA Arizona Board of Regents on Behalf of the University of Arizona
18017891 ELECTRODE INTEGRATED MICROSIEVE ASSEMBLY Non-Final OA TECHNISCHE UNIVERSITEIT EINDHOVEN
17631359 METHODS FOR ONBOARD DILUTIONS USING AUTOMATED ANALYZER Final Rejection Beckman Coulter, Inc.
17524840 Device, System and Method for Fluid Delivery for Sequencing Non-Final OA LIFE TECHNOLOGIES CORPORATION
17756254 APPARATUS, SYSTEMS, AND METHODS OF TRANSFERRING LIQUIDS CONTAINING AGGREGATES Final Rejection Siemens Healthcare Diagnostics Inc.
17639647 BODY FLUID TESTER Final Rejection INTIN INC.
17617129 Centrifugal Microfluidic Chip, Kit and System for On-Chip Gas Supply Non-Final OA National Research Council of Canada
17766545 FLUID CONTAINER DEVICE COMPRISING A SEPTUM MEMBER, AND METHOD OF DELIVERING FLUID FROM SUCH A DEVICE Non-Final OA BIO-RAD EUROPE GMBH
17630037 FLUID CONTAINER COVER Non-Final OA TECAN TRADING AG
17860933 FLUID CONTROL IN MICROFLUIDIC DEVICES Non-Final OA LumiraDx UK Ltd.
17631635 REAGENT CARTRIDGE Non-Final OA NIPPON CHEMIPHAR CO., LTD.
17929099 MICROFLUIDIC CHIP DEVICE BASED ON MAGNETIC FIELD-CONTROLLED FLUORESCENTLY-LABELED CELL SORTING METHOD AND USE METHOD Non-Final OA NANTONG UNIVERSITY
17617284 MICROFLUIDIC CHIP AND MANUFACTURING METHOD THEREFOR Non-Final OA LEADWAY (HK) LIMITED
17830549 DEVICE AND METHOD FOR DEFINED LEVEL ADJUSTMENT OF A FLOWABLE MEDIUM IN A HOLLOW BODY Non-Final OA Dr. Hielscher GmbH
17775629 LIQUID TRANSFER DEVICE AND METHOD, BIOCHEMICAL SUBSTANCE REACTION DEVICE, AND BIOCHEMICAL SUBSTANCE ANALYSIS DEVICE AND METHOD Final Rejection MGI Tech Co., Ltd.
18062311 CENTRIFUGE APHERETIC SYSTEM Non-Final OA ASTRIN BIOSCIENCES, INC.
17919398 DROPLET SPACING Non-Final OA SPHERE FLUIDICS LIMITED
17798875 POINT-OF-CARE MICROFLUIDIC IN VITRO DIAGNOSTIC SYSTEM Non-Final OA EMERGING VIRAL DIAGNOSTICS (HK) LIMITED
17796573 CENTRIFUGALLY MOTIVATED FLUIDIC SYSTEMS, DEVICES AND METHODS Non-Final OA ODx Innovations Limited

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