Prosecution Insights
Last updated: April 19, 2026

Examiner: GONZALEZ, MADELINE

Tech Center 1700 • Art Units: 1772 1773 1778 1797

This examiner grants 72% of resolved cases

Performance Statistics

72.4%
Allow Rate
+7.4% vs TC avg
834
Total Applications
+15.6%
Interview Lift
1125
Avg Prosecution Days
Based on 805 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
27.9%
§102 Novelty
43.0%
§103 Obviousness
21.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18077813 LIQUID FILTER UNIT WITH VERTICALLY ARRANGED FILTERS, AND METHOD OF OPERATING THEREOF Non-Final OA ENTEGRIS, INC.
17981571 FILTER CARTRIDGE, AND METHOD OF RETROFITTING FILTER HOUSING Non-Final OA ENTEGRIS, INC.
18547489 METHODS OF ISOLATING EXOSOMES Non-Final OA VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY
18541866 FILTER SYSTEM WITH CANISTER MOVEMENT APPRATUS Non-Final OA John Crane UK Limited
18185019 FILTER ASSEMBLIES AND METHODS OF FILTERING WITH THE SAME Final Rejection Brita LP
17821888 AGRICULTURAL SAMPLING SYSTEM AND RELATED METHODS Non-Final OA Precision Planting LLC
18542363 AUTONOMOUS VESSEL FOR TREATING ALGAE BLOOMS IN RESERVOIRS, COASTAL WATERWAYS, LAKES AND RIVERS Non-Final OA Prosper Technologies, LLC
18532242 FOLDED FILTER MEDIUM Non-Final OA MANN+HUMMEL GmbH
18577436 SYSTEMS AND METHODS FOR RECYCLING WATER Non-Final OA Renew Health Limited
18567809 PARTICULATE FILTER Non-Final OA Cataler Corporation
18567096 FRESHWATER RECIRCULATING AQUACULTURE INSTALLATION Non-Final OA APRIA SYSTEMS, S.L.
18388361 DISINFECTION REACTOR WITH SPIRAL FLOW Non-Final OA TROJAN TECHNOLOGIES GROUP ULC
18381461 FILTER INTERCONNECT UTILIZING CORRELATED MAGNETIC ACTUATION FOR DOWNSTREAM SYSTEM FUNCTION Final Rejection KX Technologies, LLC
17596717 METHOD OF PURIFYING A COMPOSITION COMPRISING A GROUP B ADENOVIRUS Non-Final OA AKAMIS BIO, INC.
18017743 FILTER ASSEMBLY WITH REULEAUX SEALING INTERFACE Final Rejection Cummins Filtration Inc.
18124900 Rainwater Harvesting Prefilter Final Rejection Sycamore Technical Services LLC
17624984 FIRST FLUSH DIVERTER SYSTEM Final Rejection SOLUCIÓN PLUVIAL, S. A. DE C. V.

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