Prosecution Insights
Last updated: October 02, 2026

Examiner: LING, FOR K.

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 54% of resolved cases

Analysis

For K. Ling is an examiner in Tech Center 3700, specifically Art Unit 3744. The examiner has 456 resolved cases. The allowance rate is 53.7 percent. This rate indicates that just over half of the applications reaching a final disposition are granted. Practitioners should be prepared for a balanced examination process where success requires clear and persuasive arguments.

The median days to allowance is 1232. This duration represents the typical time from filing to the issuance of a patent. The interview lift is 18.6 percent. This figure shows the increased chance of allowance when an interview is conducted. Compared to the 53.7 percent allowance rate, the 18.6 percent lift suggests that direct engagement with the examiner is a productive way to advance prosecution.

With 456 resolved cases, Ling's profile provides a reliable view of prosecution in Art Unit 3744. The 1232 median days to allowance is a key factor for managing expectations. The 18.6 percent interview lift is a valuable tool for overcoming rejections. Overall, the 53.7 percent allowance rate reflects an environment where proactive communication can significantly improve the chances of a grant.

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

Performance Statistics

53.7%
Allow Rate
-16.3% vs TC avg
497
Total Applications
+18.6%
Interview Lift
1232
Avg Prosecution Days
Based on 456 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.2%
§102 Novelty
54.1%
§103 Obviousness
23.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18649180 HEAT EXCHANGER HAVING A MIXING CHAMBER WITH CONVERGENT SECTION Non-Final OA PRATT & WHITNEY CANADA CORP.
18384373 HEAT EXCHANGER Final Rejection MAHLE International GmbH
19107220 MOTOR SUPPORT AND MOTORISED FAN UNIT FOR A HEATING, VENTILATION AND/OR AIR-CONDITIONING SYSTEM OF A CORRESPONDING VEHICLE, IN PARTICULAR A MOTOR VEHICLE Final Rejection VALEO SYSTEMES THERMIQUES
18701928 SUPPORT COMPONENT AND HEAT EXCHANGER SUPPORT OBTAINED FROM AN ASSEMBLY OF SUCH SUPPORT COMPONENTS Final Rejection VALEO SYSTEMES THERMIQUES
19082983 COOLING CONFIGURATION FOR MEMORY DEVICE AND RELATED COMPUTER SYSTEM Non-Final OA Intel Corporation
17560070 HEAT PIPE WITH FIRST HEAT SOURCE ON FIRST SIDE AND SECOND HEAT SOURCE ON OPPOSITE SECOND SIDE Non-Final OA Intel Corporation
19105568 Heat Sink Assembly Non-Final OA LG Energy Solution, Ltd.
18883164 LIQUID COOLING DEVICE Final Rejection Delta Electronics, Inc.
18482454 THREE-WAY HEAT EXCHANGE MODULE HAVING UNIFORM FLUID DISTRIBUTION Non-Final OA Copeland LP
18750988 GAS HUMIDITY REDUCTION APPARATUS AND METHOD OF USING THE SAME Non-Final OA Honeywell International Inc.
18597845 VAPOR CHAMBER AND METHOD OF PRODUCING THE SAME Final Rejection KMW INC.
18028189 CONDENSER ARRANGEMENT FOR HVAC SYSTEM Final Rejection JOHNSON CONTROLS TYCO IP HOLDINGS LLP
17886206 HEAT EXCHANGER FOR HVAC SYSTEM Non-Final OA Johnson Controls Tyco IP Holdings LLP
18126852 HEAT TRANSFER FLUID FOR THERMAL MANAGEMENT, THERMAL MANAGEMENT DEVICE AND BATTERY THERMAL MANAGEMENT SYSTEM Non-Final OA INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
18740077 CONDENSATE MANAGEMENT SYSTEM FOR AN AIR CONDITIONER APPLIANCE Non-Final OA Haier US Appliance Solutions, Inc.
18704251 PAIR OF HEAT-EXCHANGER PLATES WITH GROOVES AND RECESSES Non-Final OA AXENS
18158823 MICROCHANNEL COMPACT HEAT EXCHANGING SYSTEM Final Rejection King Abdulaziz University
18777781 COMBINED HEAT DISSIPATION STRUCTURE Non-Final OA ASIA VITAL COMPONENTS CO., LTD.
16833616 GRAPHITIC FILM-ENABLED BATTERY COOLING SYSTEM AND METHOD OF OPERATING SAME Final Rejection Global Graphene Group, Inc.

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