Prosecution Insights
Last updated: May 29, 2026

Examiner: ROYCE, LIAM A

Tech Center 1700 • Art Units: 1777

This examiner grants 65% of resolved cases

Performance Statistics

65.0%
Allow Rate
At TC average
566
Total Applications
+21.8%
Interview Lift
1050
Avg Prosecution Days
Based on 532 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
4.1%
§102 Novelty
87.8%
§103 Obviousness
6.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18750081 NATURAL MATERIAL FOR SEPARATING OIL-IN-WATER EMULSIONS Non-Final OA Saudi Arabian Oil Company
17903187 Systems And Methods For Separating Cells Incorporating A Magnetic Selector Non-Final OA Fenwal, Inc.
18879511 RESIDENTIAL HYDRONIC MAGNETIC, SEDIMENT, AND AIR SEPARATION DEVICE WITH MAINTENANCE INDICATOR Final Rejection FLUID HANDLING LLC
17631653 PHYTO-MEDIATED WASTEWATER TREATMENT BIOREACTOR (PWBR) Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA
17632625 VOLATILE FATTY ACID CONTROL Non-Final OA ECOLAB USA INC.
17842905 Fold Protection for Spiral Filtration Modules Utilizing UV Cured Polyurethane and Method of Providing Same Non-Final OA Henkel AG & Co. KGaA
18628760 SEA STRAINER Non-Final OA Miller-Leaman, Inc.
16880941 Copper Foam for Water Purification Non-Final OA CellMo Materials Innovation, Inc.
18482142 FILTER CLEANING SYSTEM AND METHOD Non-Final OA John Bean Technologies Corporation
18551806 Filter comprising a centring device Non-Final OA ACLARIS WATER INNOVATIONS GMBH, LINDAU, ZWEIGNIEDERLASSUNG
18246312 PROCESS FOR PREPARING EXTRACELLULAR VESICLES Non-Final OA LONZA SALES AG
18232606 APPARATUS AND METHOD FOR SEPARATING PARTICLES FROM WASTE FLUID USING OXYGEN ENRICHED AIR Non-Final OA DHI - DALBO HOLDINGS, INC. & SUBSIDIARIES
18258352 FILTRATE VAT ASSEMBLY FOR A FILTER PRESS Non-Final OA METSO OUTOTEC FINLAND OY
18209395 Systems for Removing Sludge from or Distributing Fluids in Sludge or Waste Collection Vessels Non-Final OA ROBERTS MARKETING DE, INC.
18179822 SPINNING VESSEL SYSTEMS AND METHODS FOR MIXING, SUSPENDING PARTICULATES, ALIQUOTING, WASHING MAGNETIC BEADS, AND CONCENTRATING ANALYTES Non-Final OA V&P Scientific, Inc.
18116935 Power Unit Used for Swimming Pool Cleaning Machine and Swimming Pool Cleaning Machine Non-Final OA Yunda H&H Tech (Tianjin) Co., Ltd.
18042984 SYSTEM AND METHOD FOR THE TREATMENT OF POLLUTED WATERS, IN PARTICULAR WITH HEAVY METALS Final Rejection ECOSPRAY TECHNOLOGIES S.R.L.
17788768 HIGHLY PERMEABLE ULTRATHIN POLYMER NANOFILM COMPOSITE MEMBRANE AND A PROCESS FOR PREPARATION THEREOF Final Rejection Council of Scientific & Industrial Research

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