Prosecution Insights
Last updated: April 19, 2026

Examiner: FITZSIMMONS, ALLISON GIONTA

Tech Center 1700 • Art Units: 1773 1777 1778 1797

This examiner grants 47% of resolved cases

Performance Statistics

47.4%
Allow Rate
-17.6% vs TC avg
638
Total Applications
+16.5%
Interview Lift
1285
Avg Prosecution Days
Based on 608 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
20.2%
§102 Novelty
46.0%
§103 Obviousness
29.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18048608 PRODUCED WATER TREATMENT FOR DIRECT INJECTION USING MECHANICALLY ASSISTED FORWARD OSMOSIS Final Rejection Saudi Arabian Oil Company
18008749 METHOD FOR SEPARATING BIOMASS FROM A SOLUTION COMPRISING BIOMASS AND AT LEAST ONE AROMA COMPOUND Final Rejection BASF SE
18143803 METHOD FOR WASHING HOLLOW FIBER MEMBRANE MODULE Non-Final OA ASAHI KASEI KABUSHIKI KAISHA
17668806 SYSTEMS AND METHODS FOR FILTER AND/OR DEBRIS DISPOSAL FOR AN EXTRACTION SYSTEM FILTER Non-Final OA ILLINOIS TOOL WORKS INC.
18137195 DEVICE FOR TANGENTIAL FLOW FILTRATION OF A FLUID Non-Final OA Levitronix GmbH
18319118 FILTRATION DEVICE, FILTRATION SYSTEM, AND FILTRATION METHOD Non-Final OA Murata Manufacturing Co., Ltd.
18081993 Nonwoven Fabrics Including Recycled Polyester Final Rejection Berry Global, Inc.
18317193 SEPARATION MEMBRANE COMPLEX, SEPARATION APPARATUS, SEPARATION METHOD, AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX Non-Final OA NGK INSULATORS, LTD.
17664849 FILTER MEDIUM HAVING A NONWOVEN LAYER AND A MELT-BLOWN LAYER Non-Final OA NEENAH GESSNER GmbH
18651206 WATER TREATMENT SYSTEMS AND METHODS Non-Final OA NUVO RESIDENTIAL, LLC DBA NUVOH2O
17640521 SILICA ANTISCALANT COMPOSITION AND METHOD FOR SILICA SCALING INHIBITION IN MEMBRANE APPLICATIONS Non-Final OA BL Technologies, Inc.
18572640 ACCUMULATOR Non-Final OA FUJIKOKI CORPORATION
17122446 AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE Non-Final OA University College Dublin, National University of Ireland, Dublin
18219197 LIQUID CRYSTALLIZER SALTING OUT SOLUTION Non-Final OA MIS IP Holdings, LLC
18178461 FILTER APPARATUS Non-Final OA Fidica GmbH & Co. KG
16968181 OPEN CELL OR RETICULATED FOAM HAVING 3-DIMENSIONAL OPEN-NETWORK STRUCTURE MADE OF A HYDROPHOBIC MATERIAL FOR SELECTIVE SEPARATION OF MINERAL PARTICLES Final Rejection CiDRA Corporate Services LLC
17558700 Textured Substrate Filter For Removal Of Particulates From Fluid Final Rejection Mincon, Inc.

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