Prosecution Insights
Last updated: April 19, 2026

Examiner: WALLENHORST, MAUREEN

Tech Center 1700 • Art Units: 1777 1797

This examiner grants 79% of resolved cases

Performance Statistics

79.0%
Allow Rate
+14.0% vs TC avg
1421
Total Applications
+5.0%
Interview Lift
851
Avg Prosecution Days
Based on 1389 resolved cases, 2023–2026

Rejection Statute Breakdown

5.6%
§101 Eligibility
10.1%
§102 Novelty
42.9%
§103 Obviousness
20.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18035316 IN-PROCESS VERIFICATION OF CALIBRATION STATUS OF PH PROBES Non-Final OA AMGEN INC.
17588571 NANO-PROBE FOR MEASURING pH IN SINGLE CELLS, AND METHOD AND APPARATUS FOR MEASURING pH IN SINGLE CELLS USING THE SAME Non-Final OA POSTECH Research and Business Development Foundation
18555737 AUTOMATIC ANALYZER AND CONTROL METHOD THEREFOR Non-Final OA Hitachi High-Tech Corporation
18206447 SYSTEMS FOR RECONSTITUTING DRIED REAGENT COMPOSITIONS AND METHODS FOR USING THE SAME Non-Final OA Becton, Dickinson and Company
18214232 TUNNELING JUNCTIONS FOR SEQUENCING Non-Final OA Roche Sequencing Solutions, Inc.
17787413 WATER-INDICATING PASTE COMPOSITIONS Non-Final OA Arkema France
18783040 OPTICAL ANALYTE DETECTION Non-Final OA Aspida DX Inc.
18281734 DETERMINATION DEVICE, LEARNING DEVICE, DETERMINATION SYSTEM, DETERMINATION METHOD, LEARNING METHOD, AND PROGRAM Non-Final OA J-OIL MILLS, Inc.
17557695 BREATHALYZER AND SENSOR FOR DETECTING HALITOSIS AND GENERAL HEALTH ISSUES Final Rejection ORTHONU, LLC
18555976 PROCESS, USE OF AN INDICATOR MATERIAL AND APPARATUS FOR DETERMINING A CONDITION OF A HYDROGEN CARRIER MATERIAL Non-Final OA HYDROGENIOUS LOHC TECHNOLOGIES GMBH
18475864 TEST CARTRIDGES AND SYSTEMS Non-Final OA Gerresheimer Regensburg GmbH
18277844 ELECTROCHEMICAL SENSOR FOR PHENOLIC ANALYTES Non-Final OA EYE3CONCEPTS INC.
18025813 METHOD FOR REDUCING MEASUREMENT ERROR Non-Final OA SEKISUI MEDICAL CO., LTD.
17995682 METHOD FOR MEASURING BLOOD COAGULATION TIME Final Rejection SEKISUI MEDICAL CO., LTD.
18342216 MITIGATION OF FREE CHLORINE INTERFERENCE FOR OZONE DETECTION USING AN INDIGO-BASED INDICATOR Final Rejection Hach Company
18060181 INDIGO-BASED INDICATOR DETECTION OF OZONE Non-Final OA Hach Company
17950415 IRON MITIGATION ZINC MEASUREMENT Non-Final OA Hach Company
18338064 Diagnostic System for Oxygen Concentrators Non-Final OA Oxus America, Inc.
18328685 MICROFLUIDIC DETERMINATION OF HETEROGENEOUS OBJECTS Non-Final OA Amberstone Biosciences, Inc.
18043107 INDUSTRIAL WATER ANALYSIS DEVICE AND SUPPORT THEREFOR Non-Final OA HORIBA TOCADERO GMBH
18043101 REACTOR ASSEMBLY FOR AN INDUSTRIAL WATER ANALYSIS DEVICE Non-Final OA HORIBA TOCADERO GMBH
18160516 LIPID BIOMARKERS FOR STABLE AND UNSTABLE HEART DISEASE Final Rejection BAKER IDI HEART AND DIABETES INSTITUTE HOLDINGS LIMITED
18069404 FORMULATION FOR COUNTING AND MORPHOLOGICAL-BASED INFERENCING OF ERYTHROCYTES AND PLATELETS AND METHOD OF MAKING AND USING SAME Non-Final OA Hi Technologies Ltda.
17871160 Determining Protein Content of Protein Supplements and Determining Genuine or Counterfeit Protein Supplements with a Novel Consumer Friendly Kit Final Rejection Bright Lifecare Pvt. Ltd.

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