Prosecution Insights
Last updated: April 19, 2026

Examiner: DUKE, EMMANUEL E

Tech Center 3700 • Art Units: 3744 3763 3784

This examiner grants 68% of resolved cases

Performance Statistics

68.5%
Allow Rate
-1.5% vs TC avg
1160
Total Applications
+27.7%
Interview Lift
1019
Avg Prosecution Days
Based on 1133 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
27.6%
§102 Novelty
51.0%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18639280 COOLING SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18787974 METHOD AND SYSTEM FOR STORING AND/OR TRANSPORTING TEMPERATURE-SENSITIVE MATERIALS Non-Final OA Cold Chain Technologies, LLC
18761784 ACCUMULATOR AND VEHICLE DRIVING DEVICE Non-Final OA Aisin Corporation
18756775 HEAT EXCHANGE DEVICE AND HEAT EXCHANGE SYSTEM Non-Final OA HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
18745421 POUCH WITH THERMAL INSULATOR AND PHASE CHANGE MATERIAL Non-Final OA Lunar Energy, Inc.
18623945 INTELLIGENT SWAPPABLE MODULAR UNIT FOR LOCAL COOLING LOOPS IN A DATACENTER COOLING SYSTEM Final Rejection Nvidia Corporation
18709773 Electronic Expansion Valve Final Rejection ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18758534 HEAT EXCHANGER ASSEMBLIES FOR CLIMATE CONTROL SYSTEMS AND RELATED METHODS Non-Final OA Trane International Inc.
18679011 ROOM AIR MONITORING DEVICE Non-Final OA Rowan University
18642401 PORTABLE TEMPERATURE CONTROLLED BAG WITH SECURELY MOUNTED UNPOWERED COOLING DEVICE Non-Final OA TRITON SYSTEMS, INC.
18768720 DEVICE FOR ADJUSTING AN AIR VOLUME FLOW Non-Final OA Viessmann Climate Solutions SE
18713399 PARALELL HEAT EXCHANGER FOR DATA CENTER COOLING Non-Final OA Nortek Air Solutions Canada, Inc.
18657352 AIR TO WATER HEAT PUMP SYSTEM HAVING OPTIMIZED OPERATION Final Rejection Bradford White Corporation
18482504 Brewing and Cooling a Beverage Final Rejection ColdSnap, Corp.
18599027 LOW ELECTRICAL CONDUCTIVITY HEAT TRANSFER FLUIDS Final Rejection PRESTONE PRODUCTS CORPORATION
18427931 PORTABLE AIR CONDITIONER Final Rejection HEPHZIBAH CO., LTD.
18478357 PRESSURIZED GREENHOUSE Final Rejection Rimaco Greens Inc.
18546133 COOLING CONTAINER Non-Final OA Veba Beheer B.V.
18191064 SELF-CONTAINED HVAC SYSTEM FOR VEHICLES AND METHOD OF USE THEREOF Final Rejection Simplicity Air Ltd.
18101068 Using Carbon Dioxide From A Direct Air Capture System As A Low Global Warming Car And Industrial Refrigerant Final Rejection AirMyne, Inc.

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