Prosecution Insights
Last updated: August 18, 2026

Examiner: BUI, DUNG H

Tech Center 3700 • Art Units: 1758 1772 1773 1775 1776 1797 3723

This examiner grants 78% of resolved cases

Performance Statistics

78.0%
Allow Rate
+8.0% vs TC avg
1,325
Total Applications
+25.1%
Interview Lift
936
Avg Prosecution Days
Based on 1263 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
25.1%
§102 Novelty
49.4%
§103 Obviousness
19.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18391319 VENTILATION APPARATUS AND VENTILATION SYSTEM HAVING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18496235 ACCUMULATOR FOR COMPRESSOR Final Rejection Samsung Electronics Co., Ltd.
18614864 DEBRIS COLLECTION AND SPARK-ARRESTING DEVICE Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
18461592 DUST COLLECTOR Final Rejection MAKITA CORPORATION
18603539 ACID GAS REMOVAL METHOD, ACID GAS ABSORBENT, AND ACID GAS REMOVAL APPARATUS Non-Final OA TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
18772392 HUMIDITY CONTROL AGENT AND DEVICE Non-Final OA DAIKIN INDUSTRIES, LTD.
18298273 SYSTEMS AND METHODS FOR CHILLING A NATURAL GAS STREAM Non-Final OA SAUDI ARABIAN OIL COMPANY
18467133 GAS SEPARATION MEMBRANE AND METHOD OF PRODUCING GAS SEPARATION MEMBRANE Final Rejection SEIKO EPSON CORPORATION
18511835 GAS-LIQUID SEPARATION DEVICE FOR AN EBULLATED BED REACTOR Final Rejection CHEVRON U.S.A. INC.
17909494 As-needed filter cleaning Non-Final OA Hilti Aktiengesellschaft
18463129 PASSIVE DEHUMIDIFIER FOR ENVIRONMENT CONTROL UNITS Final Rejection Textron Innovations, Inc.
18017758 Machine Housing Ventilator Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18612916 MEMBRANE CONTACTOR WITH BUBBLER Non-Final OA Honeywell International Inc.
18059844 SYSTEMS AND TECHNIQUES FOR POLYMER PRODUCT WITHDRAWAL Final Rejection Chevron Phillips Chemical Company LP
18767649 DIFFUSERS IN VAPORIZERS AND RELATED METHODS Non-Final OA ENTEGRIS, INC.
18505698 UNIVERSAL COMMODE SYSTEM Non-Final OA Hamilton Sundstrand Corporation
17926675 FILTER ARRANGEMENTS FOR INDUSTRIAL DUST EXTRACTORS Final Rejection HUSQVARNA AB
17944360 LENS PROTECTION STRUCTURE Non-Final OA TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD.
18702627 CO2 IMMOBILIZATION MATERIAL AND METHOD FOR PRODUCING CO2 IMMOBILIZATION PRODUCT Non-Final OA DENKA COMPANY LIMITED
18199427 ATMOSPHERIC WATER GENERATION SYSTEMS AND METHODS USING ELECTROSTATIC NUCLEATION OF WATER VAPOR IN AIR Non-Final OA Genesis Systems LLC

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