Prosecution Insights
Last updated: May 29, 2026

Examiner: MILLER-CRUZ, EKANDRA S.

Tech Center 1700 • Art Units: 1758 1773 1778

This examiner grants 65% of resolved cases

Performance Statistics

65.4%
Allow Rate
At TC average
368
Total Applications
+51.9%
Interview Lift
917
Avg Prosecution Days
Based on 335 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
1.7%
§102 Novelty
88.8%
§103 Obviousness
6.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18567150 Forward Osmosis Membrane and Forward Osmosis Membrane Module Including Same Non-Final OA Asahi Kasei Kabushiki Kaisha
18287290 Apparatus for Treating Water using a Plasma Source that is Protected from Water Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18562135 ISOLATION AND PURIFICATION METHOD OF EXTRACELLULAR VESICLES Non-Final OA Daicel Corporation
17783716 HYBRID THERMAL - CHROMATOGRAPHIC SYSTEM FOR SIMULTANEOUS MINERAL PURIFICATION AND DESALINATION OF SALINE WATERS Final Rejection Alliance for Sustainable Energy, LLC
18126291 DEVICES FOR PURIFYING A LIQUID, AND RELATED SYSTEMS AND METHODS Non-Final OA ENTEGRIS, INC.
18286590 CHROMATOGRAPH Non-Final OA HITACHI HIGH-TECH CORPORATION
18288249 HOLLOW FIBER MEMBRANE AND MANUFACTURING METHOD THEREFOR Non-Final OA Toray Industries, Inc.
18495373 PROCESS FOR MANAGING WORMS IN MEMBRANE AERATED BIOFILM Final Rejection BL TECHNOLOGIES, INC.
18405391 WATER TREATMENT UNIT Non-Final OA International Water Treatment Maritime AS
18534174 AERATOR AND SYSTEM FOR REMOVAL OF VOLATILE ORGANIC COMPOUNDS Non-Final OA UGSI Solutions, Inc.
18559374 ELECTROCHEMICAL DEVICE FOR TREATING WATER Non-Final OA Alchim di Masante & C. S.a.s.
18287062 DEVICE AND METHOD FOR INFLUENCING THE FLOW OF A FLOWABLE MEDIUM THROUGH ENERGY INTENSITY ZONES Non-Final OA DR. HIELSCHER GMBH
18552000 Water tank having a filter cartridge Non-Final OA ACLARIS WATER INNOVATIONS GMBH , LINDAU , ZWEIGNIEDERLASSUNG
18234715 ENERGY INTEGRATED WATER PURIFICATION AND RECOVERY SYSTEM AND METHOD FOR USING SAME Non-Final OA AIZACO LIMITED COMPANY
18226078 Apparatus, Systems and Methods for Collecting Debris From a Body of Water Non-Final OA Ocean Cleaner, LLC
18199548 INTEGRATED THERMAL HYDROLYSIS AND VACUUM DIGESTION FOR TREATING FLUID USING A BIOCHEMICAL PROCESS Non-Final OA U.S. PEROXIDE, LLC
18196753 NON-CONTACT SENSOR FOR DETERMINING A F.O.G. LEVEL IN A SEPARATOR USING ROTOMOLDED PARTS Final Rejection Thermaco Incorporated
18035010 Filter Containing Flow Disrupter Non-Final OA Fernox Limited
18030708 MODULAR FRAME FOR HEAT OR MASS-EXCHANGE MODULE Non-Final OA ROCHEM SEPARATION SYSTEM INDIA (P) LTD.
18007634 COMPRESSED AIR JETTING MECHANISM, AND CONDUIT AND SEDIMENTATION BASIN USING THE SAME Non-Final OA UTSUNOMIYA KOGYO CO., LTD.

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