Prosecution Insights
Last updated: April 19, 2026

Examiner: PEO, KARA M

Tech Center 1700 • Art Units: 1777

This examiner grants 42% of resolved cases

Performance Statistics

41.9%
Allow Rate
-23.1% vs TC avg
400
Total Applications
+42.1%
Interview Lift
1690
Avg Prosecution Days
Based on 341 resolved cases, 2023–2026

Rejection Statute Breakdown

3.3%
§101 Eligibility
13.4%
§102 Novelty
43.4%
§103 Obviousness
33.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18480946 METHODS FOR TREATING PRODUCED WATERS Non-Final OA SAUDI ARABIAN OIL COMPANY
18177365 ION FILTER Non-Final OA Kia Corporation
16925558 ANALYZING DEVICE Non-Final OA SHIMADZU CORPORATION
18107641 ELECTROSPUN FIBROUS MEMBRANES AND USES THEREOF Non-Final OA TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED
17867449 PROCESS AND PRODUCTS FOR REMOVAL OF CONTAMINANTS IN LIQUID COMPOSITIONS Final Rejection NuMat Technologies, Inc.
17793815 NOVEL ADSORBENT Final Rejection THE UNIVERSITY OF TOKYO
18026602 ACTIVATED CARBON AND WATER TREATMENT METHOD USING SAID ACTIVATED CARBON Non-Final OA KURARAY CO., LTD.
18123480 METHOD OF MEASURING HEMOGLOBIN F Non-Final OA ARKRAY, Inc.
18506451 OPTIMIZING OPERATING BINDING CAPACITY FOR A MULTIPLE COLUMN CHROMATOGRAPHY PROCESS Final Rejection Sartorius Stedim Chromatography Systems Ltd.
18350588 Chromatography Apparatus Non-Final OA Cytiva Sweden AB
17742230 FLUID DISTRIBUTOR UNIT Final Rejection Cytiva Sweden AB
18017805 DEVICE AND METHOD FOR COLLECTING A SUBSTANCE FROM A LIQUID SURFACE Final Rejection HYTRANS BEHEER B.V.
18157372 CENTRIFUGAL SEPARATOR INCLUDING AN INTEGRATED PARTICULATE FILTER Non-Final OA Fluid Cooling Systems, LLC
18157219 MUTUALLY INDEPENDENT DUAL ONLINE LIQUID CHROMATOGRAPHY DEVICE AND CONTROL METHOD THEREOF Final Rejection BERTIS INC.
17613919 CONTROL CIRCUIT FOR CONTROLLING A UV LIGHT SOURCE Final Rejection Watersprint AB
17369684 MONOCHLORAMINE WATER DISINFECTION SYSTEM AND METHOD Final Rejection Barclay Water Management, Inc.
17369700 MONOCHLORAMINE WATER DISINFECTION SYSTEM AND METHOD Final Rejection Barclay Water Management, Inc.
17239756 SLURRY FOR TREATMENT OF OXYANION CONTAMINATION IN WATER Final Rejection PHOSLOCK PTY LTD.

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