Prosecution Insights
Last updated: May 29, 2026

Examiner: PEO, KARA M

Tech Center 1700 • Art Units: 1777

This examiner grants 42% of resolved cases

Performance Statistics

42.2%
Allow Rate
-22.8% vs TC avg
402
Total Applications
+41.8%
Interview Lift
1618
Avg Prosecution Days
Based on 344 resolved cases, 2023–2026

Rejection Statute Breakdown

4.4%
§101 Eligibility
6.0%
§102 Novelty
78.9%
§103 Obviousness
2.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18480946 METHODS FOR TREATING PRODUCED WATERS Non-Final OA SAUDI ARABIAN OIL COMPANY
17525967 APPARATUS AND METHOD FOR PURIFYING BNNT AND PURIFIED BNNT Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
16925558 ANALYZING DEVICE Non-Final OA SHIMADZU CORPORATION
18177365 ION FILTER Non-Final OA Kia Corporation
17998514 SPACER RING FOR CHROMATOGRAPHY DEVICE Final Rejection Solventum Intellectual Properties Company
17867449 PROCESS AND PRODUCTS FOR REMOVAL OF CONTAMINANTS IN LIQUID COMPOSITIONS Final Rejection NuMat Technologies, Inc.
18107641 ELECTROSPUN FIBROUS MEMBRANES AND USES THEREOF Non-Final OA TECHNION RESEARCH & DEVELOPMENT FOUNDATION LIMITED
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.
18452936 PACKING ASSEMBLY FOR CHROMATOGRAPHY MEDIA AND METHODS OF USE THEREOF Non-Final OA McMaster University
18123480 METHOD OF MEASURING HEMOGLOBIN F Non-Final OA ARKRAY, Inc.
17904190 A CHROMATOGRAPHY DEVICE Final Rejection Cytiva BioProcess R&D AB
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
16995933 Method in a Chromatography System Final Rejection Cytiva Sweden AB
13991239 SYSTEM AND PROCESS FOR BIOPOLYMER CHROMATOGRAPHY 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
17904566 EQUIPMENT FOR THE FILTRATION OF A SUSPENSION USING A ROTARY PRECOAT FILTER Non-Final OA ECO3 BV
17613919 CONTROL CIRCUIT FOR CONTROLLING A UV LIGHT SOURCE Final Rejection Watersprint AB
17369700 MONOCHLORAMINE WATER DISINFECTION SYSTEM AND METHOD Final Rejection Barclay Water Management, Inc.
17369684 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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