Prosecution Insights
Last updated: October 27, 2026

Daniel C Comings, USPTO Patent Examiner

Listed by the USPTO as COMINGS, DANIEL C

Tech Center 3700 • Art Units: 3744 3763 3784

This examiner grants 64% of resolved cases

Performance Statistics

63.8%
Allow Rate
-6.2% vs TC avg
719
Total Applications
+37.2%
Interview Lift
1243
Avg Prosecution Days
Based on 686 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
18.5%
§102 Novelty
52.2%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18753098 METHOD FOR SETTING AN AIR CONDITIONER Final Rejection MAHLE INTERNATIONAL GMBH
18866244 AIR CONDITIONING SYSTEM Non-Final OA Mitsubishi Electric Corporation
18834686 REFRIGERATION CYCLE SYSTEM Final Rejection Mitsubishi Electric Corporation
19083418 REFRIGERATION CYCLE DEVICE AND AIR CONDITIONER EQUIPPED WITH THE SAME Non-Final OA SHARP KABUSHIKI KAISHA
18518030 AIR CONDITIONING UNIT AND AIR CONDITIONING SYSTEM Non-Final OA DAIKIN INDUSTRIES, LTD.
18374754 REFRIGERATION CYCLE APPARATUS Non-Final OA DAIKIN INDUSTRIES, LTD.
19089630 THERMAL MANAGEMENT SYSTEM FOR VEHICLE AND VEHICLE Non-Final OA BYD COMPANY LIMITED
18996729 MULTI-TYPE AIR-CONDITIONING DEVICE Non-Final OA CARRIER JAPAN CORPORATION
19051275 METHODS OF OPERATING AN ICE MAKER APPLIANCE Non-Final OA Haier US Appliance Solutions, Inc.

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Frequently Asked Questions

What is examiner Daniel C Comings's allowance rate?

63.8% of resolved applications examined by Daniel C Comings were allowed (686 resolved cases), compared with 0.0% across Art Unit 3744 over the last five years.

Does an interview help with examiner Daniel C Comings?

This examiner's interview lift is +37.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Daniel C Comings take to allow a patent?

Applications allowed by Daniel C Comings took 1,243 days on average from filing to allowance.

Which art unit does examiner Daniel C Comings work in?

Daniel C Comings examines applications in Art Unit 3744 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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