Prosecution Insights
Last updated: October 26, 2026

Kun Kai Ma, USPTO Patent Examiner

Listed by the USPTO as MA, KUN KAI

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 80% of resolved cases

Performance Statistics

79.5%
Allow Rate
+9.5% vs TC avg
865
Total Applications
+12.8%
Interview Lift
995
Avg Prosecution Days
Based on 833 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
22.0%
§102 Novelty
47.1%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18976858 ABSORPTION TYPE CHILLER Non-Final OA LG Electronics Inc.
19015047 THERMAL MANAGEMENT SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19171761 RESERVOIR TANK, COOLING DEVICE, AND PROJECTOR Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18879924 AIR CONDITIONING DEVICE Non-Final OA FUJITSU GENERAL LIMITED
18898212 DEVICE FOR PROTECTING AN AIR CONDITIONING SYSTEM OF A VEHICLE Final Rejection KIA CORPORATION
19117061 HEAT PUMP APPARATUS Non-Final OA Mitsubishi Electric Corporation
19172447 WATER BOX MIXING MANIFOLD Non-Final OA Tyco Fire & Security GmbH
19032550 HEAT EXCHANGE SYSTEM AND HEAT EXCHANGE METHOD Non-Final OA Carrier Corporation
19104846 SYSTEM FOR AIR-CONDITIONING THE AIR OF A PASSENGER COMPARTMENT OF A MOTOR VEHICLE AS WELL AS METHOD FOR OPERATING THE SYSTEM Non-Final OA Hanon Systems

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Frequently Asked Questions

What is examiner Kun Kai Ma's allowance rate?

79.5% of resolved applications examined by Kun Kai Ma were allowed (833 resolved cases), compared with 0.0% across Art Unit 3744 over the last five years.

Does an interview help with examiner Kun Kai Ma?

This examiner's interview lift is +12.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kun Kai Ma take to allow a patent?

Applications allowed by Kun Kai Ma took 995 days on average from filing to allowance.

Which art unit does examiner Kun Kai Ma work in?

Kun Kai Ma examines applications in Art Unit 3744 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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