Prosecution Insights
Last updated: October 01, 2026

Examiner: ARANT, HARRY E

Tech Center 3700 • Art Units: 3744 3763 3785

This examiner grants 50% of resolved cases

Analysis

Harry E Arant examines applications in Tech Center 3700 and Art Unit 3744. With 591 resolved cases, he has an allowance rate of 49.7 percent. The interview lift is 21.0 percent. The median days to allowance is 1289.

The 1289-day figure represents the median time from filing to allowance. The 21.0 percent interview lift is a positive value. This lift is lower than the 49.7 percent allowance rate but indicates a benefit from direct communication. This comparison suggests that interviews are an effective tool for practitioners working with this examiner. With 591 resolved cases, the data provides a robust look at the prosecution environment. The 49.7 percent allowance rate indicates a challenging examination process. Practitioners in Art Unit 3744 should consider the 21.0 percent lift when a rejection is received. The 1289 days to allowance is a key metric for managing expectations. These 591 resolved cases show a stable pattern of successful outcomes. The 49.7 percent rate and 21.0 percent lift are the most important figures for strategy development.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

49.6%
Allow Rate
-20.4% vs TC avg
640
Total Applications
+21.4%
Interview Lift
1291
Avg Prosecution Days
Based on 593 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
22.8%
§102 Novelty
58.2%
§103 Obviousness
18.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18976763 AIR CONDITIONING CONTROL APPARATUS FOR VEHICLE Non-Final OA SUBARU CORPORATION
19026455 ENERGY STORING DEVICE Non-Final OA HONDA MOTOR CO., LTD.
19040503 Thermal Management Module for an Electric Vehicle Non-Final OA MAHLE International GmbH
18108941 HEAT EXCHANGER WITH OPTIMIZED PRESSURE LOSS Final Rejection MAHLE INTERNATIONAL GMBH
18449900 HEAT EXCHANGER MODULE Non-Final OA VALEO SYSTEMES THERMIQUES
18838266 HEAT EXCHANGER, AND METHOD FOR MANUFACTURING HEAT EXCHANGER Final Rejection Mitsubishi Electric Corporation
19049525 FIN HAVING ELLIPTICAL COLLAR BASES AND AIRFOILS AND RELATED FIN-AND-TUBE HEAT EXCHANGER Non-Final OA TRANE INTERNATIONAL INC.
18876243 PLATE HEAT EXCHANGER Non-Final OA Alfa Laval Corporate AB
18885573 HEAT EXCHANGER AND AIR CONDITIONING SYSTEM HAVING SAME Final Rejection ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
18695460 VAPOR CHAMBER, ELECTRONIC APPARATUS, AND METHOD FOR MANUFACTURING VAPOR CHAMBER Final Rejection DAI NIPPON PRINTING CO., LTD.
19099749 HEAT EXCHANGER Non-Final OA Hanon Systems
18994832 MANIFOLD FLUID MODULE Non-Final OA Hanon Systems
18743532 HEAT EXCHANGER CORE DESIGN Non-Final OA Hamilton Sundstrand Corporation
18334172 SELF-REGULATING AND GRAVITY-INDEPENDENT DEVICE FOR HYDROGEN RECOMBINING WITH AN INTEGRATED PASSIVE HEAT SINK FOR LOW-EARTH ORBIT AND DEEP-SPACE EXPLORATION SPACECRAFT Non-Final OA Hamilton Sundstrand Corporation
18859664 HEAT EXCHANGE TUBE FOR HEAT EXCHANGER, AND HEAT EXCHANGER Non-Final OA SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD.
17984072 Coolant Distribution Unit and Control System Final Rejection Hoffman Enclosures Inc.
18843243 JET IMPINGEMENT COOLING SYSTEMS AND RELATED METHODS OF COOLING HIGH HEAT FLUX DEVICES Non-Final OA Colorado State University Research Foundation
18709399 CONVEYING DEVICE FOR A PLANT FOR THE PRODUCTION OF CEMENT Non-Final OA KHD HUMBOLDT WEDAG GmbH
18568754 DEVICE AND METHOD FOR INTERIOR RADIATIVE HEATING/COOLING Non-Final OA THERMA-HEXX CORPORATION

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