Prosecution Insights
Last updated: April 19, 2026

Examiner: DUONG, THO V

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 67% of resolved cases

Performance Statistics

66.8%
Allow Rate
-3.2% vs TC avg
1231
Total Applications
+17.7%
Interview Lift
1227
Avg Prosecution Days
Based on 1188 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
33.6%
§102 Novelty
41.0%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18027277 DOUBLE-FLOW HEAT EXCHANGER Final Rejection Safran
18307392 BATTERY THERMAL MANAGEMENT VIA HEAT FROM WATER COOLED CONDENSER Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18589377 HEAT EXCHANGER PLATE Non-Final OA BENTELER AUTOMOBILTECHNIK GMBH
18717165 COOLING FRAME FOR DIFFUSER Non-Final OA Applied Materials, Inc.
18249300 A Heat Exchanger Plate Module, a Plate Heat Exchanger and a Process for the Production of the Plate Heat Exchanger Non-Final OA ALFA LAVAL CORPORATE AB
18361602 HEAT PIPE Final Rejection Furukawa Electric Co., Ltd.
18129657 Multi-level hierarchical hybrid structures to replace single-level wicks in next generation vapor chambers Final Rejection The Board of Trustees of the Leland Stanford Junior University
18713656 HEAT EXCHANGER AND HEAT PUMP HAVING AT LEAST ONE SUCH HEAT EXCHANGER Non-Final OA Siemens Energy Global GmbH & Co. KG
18491913 HEAT EXCHANGER WITH INTERNAL CROSS FLOW FINS Non-Final OA Hamilton Sundstrand Corporation
18564148 HEAT EXCHANGER, POWER CONVERSION DEVICE INCLUDING HEAT EXCHANGER, AND METHOD FOR MANUFACTURING INNER FIN FOR HEAT EXCHANGER Final Rejection HITACHI ASTEMO, LTD.
18711945 HEAT EXCHANGE ASSEMBLY AND AIR CONDITIONING SYSTEM HAVING SAME Non-Final OA Danfoss A/S
18274239 HEAT EXCHANGER Final Rejection Hanon Systems
18498639 HEAT TRANSFER FIN OF FIN-TUBE TYPE HEAT EXCHANGER Final Rejection KYUNGDONG NAVIEN CO., LTD.
18672027 HEATING ELEMENT COOLING STRUCTURE AND METHOD FOR MANUFACTURING SAME Non-Final OA KMW INC.
18366570 HEAT DISSIPATION STRUCTURE Final Rejection LEOTEK CORPORATION
18730780 HEAT EXCHANGER COMPRISING AT LEAST ONE LATERAL ENCASULATION PLATE, AIR CONDITIONING SYSTEM AND VEHICLE Non-Final OA LIEBHERR-AEROSPACE TOULOUSE SAS
18719184 PLATE HEAT EXCHANGER BASED ON THE HILBERT CURVE Non-Final OA UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA
18558668 COOLING STRUCTURE, POWER MODULE COMPRISING SUCH A COOLING STRUCTURE, ELECTRICAL POWER CONVERTER, SUCH AS AN INVERTER, COMPRISING SUCH A POWER MODULE Non-Final OA Valeo eAutomotive Germany GmbH
18202299 CAPILLARY WOVEN MESH STRUCTURE Non-Final OA ASIA VITAL COMPONENTS (CHINA) CO., LTD.
18633445 VAPOR CHAMBER WITH SANDWICHED UPPER WICK Non-Final OA TAIWAN MICROLOOPS CORP.
17964014 HEAT EXCHANGER AND METHOD FOR MAKING THE SAME Non-Final OA HANGZHOU SANHUA RESEARCH INSTITUTE CO., LTD.
17207581 HEAT CONDUCTIING DEVICE Final Rejection Lenovo (Beijing) Co., Ltd.

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