Prosecution Insights
Last updated: May 29, 2026

Examiner: LING, FOR K.

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 54% of resolved cases

Performance Statistics

53.6%
Allow Rate
-16.4% vs TC avg
480
Total Applications
+19.1%
Interview Lift
1237
Avg Prosecution Days
Based on 442 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
10.2%
§102 Novelty
84.1%
§103 Obviousness
5.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18607786 HEAT EXCHANGE STRUCTURE Non-Final OA IHI Corporation
18036530 HEAT EXCHANGER, FIN TUBE MANUFACTURING METHOD, AND HEAT EXCHANGER MANUFACTURING METHOD Final Rejection LG ELECTRONICS INC.
17560070 HEAT PIPE WITH FIRST HEAT SOURCE ON FIRST SIDE AND SECOND HEAT SOURCE ON OPPOSITE SECOND SIDE Non-Final OA Intel Corporation
18750988 GAS HUMIDITY REDUCTION APPARATUS AND METHOD OF USING THE SAME Non-Final OA Honeywell International Inc.
18482454 THREE-WAY HEAT EXCHANGE MODULE HAVING UNIFORM FLUID DISTRIBUTION Final Rejection Copeland LP
18742205 HEAT EXCHANGE UNIT Final Rejection DAIKIN INDUSTRIES, LTD.
18798041 PLATE HEAT EXCHANGER Non-Final OA Danfoss A/S
18384373 HEAT EXCHANGER Non-Final OA MAHLE International GmbH
18275363 HEAT EXCHANGER Non-Final OA ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.
18439914 HONEYCOMB STRUCTURE AND HEAT EXCHANGER Final Rejection NGK INSULATORS, LTD.
18597845 VAPOR CHAMBER AND METHOD OF PRODUCING THE SAME Non-Final OA KMW INC.
18467395 MULTI-MATERIAL PRINTED HEAT EXCHANGER PRODUCED BY DIFFUSION BONDING Final Rejection Westinghouse Electric Company LLC
18442128 COLLECTOR FOR HEAT EXCHANGE TUBE Final Rejection BORGWARNER EMISSIONS SYSTEMS SPAIN, S.L.U.
18575732 HEAT EXCHANGER AND MANUFACTURING METHOD THEREFOR Non-Final OA ZHEJIANG ASCENRISE HEAT PUMP CO., LTD.
18141356 PLATE HEAT EXCHANGER WITH IMPROVED CONNECTION STRENGTH OF ADJACENT HEAT EXCHANGE PLATES Final Rejection Hangzhou Sanhua Research Institute Co., LTD.
17914079 PLATE HEAT EXCHANGER Final Rejection AXENS

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