Prosecution Insights
Last updated: April 19, 2026

Examiner: WEILAND, HANS R.

Tech Center 3700 • Art Units: 1776 3744 3763

This examiner grants 54% of resolved cases

Performance Statistics

54.5%
Allow Rate
-15.5% vs TC avg
535
Total Applications
+14.2%
Interview Lift
1110
Avg Prosecution Days
Based on 510 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
24.2%
§102 Novelty
46.7%
§103 Obviousness
26.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16972097 METHOD OF HEAT TRANSFER AND ASSOCIATED DEVICE Non-Final OA ArcelorMittal
18339445 SHELL AND TUBE ISOLATION IN HEAT EXCHANGER Final Rejection Carrier Corporation
18509913 CORRUGATED FIN FOR HEAT EXCHANGER Non-Final OA MAHLE INTERNATIONAL GMBH
18420364 SYSTEMS AND METHODS FOR LIQUID COOLING OF MULTICOMPONENT PACKAGES Final Rejection Microsoft Technology Licensing, LLC
18792022 AFTERCOOLER FOR INTERNAL COMBUSTION ENGINE Non-Final OA Caterpillar Inc.
18320482 Fuel-cell exhaust system Non-Final OA Purem GmbH
18598691 System and Method for in-Row Air-to-Liquid Cooling Systems Non-Final OA Hoffman Enclosures Inc.
18296451 RADIATOR OF VEHICLE POWER MODULE AND DESIGN METHOD THEREOF Non-Final OA NEXPERIA B.V.
18843097 AXIAL FAN FOR AN AIR HANDLING UNIT Non-Final OA Rheem Manufacturing Company
18793162 HEAT EXCHANGER FOR UVO CLEANING SYSTEM Non-Final OA KLA CORPORATION
18244963 IMMERSION COOLING SYSTEM Final Rejection AEWIN TECHNOLOGIES CO., LTD.
18546992 AN EVAPORATOR PLATE HEAT EXCHANGER Non-Final OA DUTCH INNOVATION IN AIR TREATMENT B.V.
17315327 HIGH-EFFICIENCY DESALINATION Final Rejection Sylvan Source, Inc.

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