Prosecution Insights
Last updated: October 27, 2026

Elizabeth J Martin, USPTO Patent Examiner

Listed by the USPTO as MARTIN, ELIZABETH J

Tech Center 3700 • Art Units: 3744 3763

This examiner grants 79% of resolved cases

Analysis

MARTIN, ELIZABETH J is assigned to tech center 3700 and art unit 3744. The profile records 963 resolved cases, a 78.8% allowance rate, and a 20.7% interview lift. The median time to allowance is 922 days, offering a meaningful planning reference for applicants prosecuting cases in this assignment.

Listed companies include LG Electronics Inc., Samsung Electronics Co., Ltd., and Hanon Systems. Listed firms include Barron & Young PLLC, KED & ASSOCIATES, LLP, and NORTON ROSE FULBRIGHT US LLP. The data supports combining amendment strategy with purposeful interview preparation.

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

Performance Statistics

78.8%
Allow Rate
+8.8% vs TC avg
997
Total Applications
+20.7%
Interview Lift
922
Avg Prosecution Days
Based on 963 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
19.4%
§102 Novelty
50.3%
§103 Obviousness
27.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19063048 REFRIGERATOR Non-Final OA LG ELECTRONICS INC.
18974713 ICE MAKER AND REFRIGERATOR Final Rejection LG Electronics Inc.
18802082 REFRIGERATOR Non-Final OA LG ELECTRONICS INC.
19185763 REFRIGERATOR AND CONTROL METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
19083119 DRAIN PLUG AND HEAT PUMP Non-Final OA Samsung Electronics Co., Ltd.
18900369 JET FLOW EVAPORATIVE COOLING SYSTEM Final Rejection CANON KABUSHIKI KAISHA
19110033 TURBO REFRIGERATOR, REFRIGERATOR CONTROL DEVICE, TURBO REFRIGERATOR CONTROL METHOD, AND PROGRAM Non-Final OA MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
19119428 MANIFOLD Non-Final OA AISIN CORPORATION
18743092 APPARATUS FOR POWERING A REFRIGERATION UNIT OF A CARGO CONTAINER Final Rejection Carrier Corporation
19216400 INDOOR UNIT OF AIR CONDITIONER Non-Final OA CARRIER JAPAN CORPORATION
18873927 METHOD FOR RECOVERING THERMAL ENERGY IN A MATERIAL DRYING PROCESS, HEAT RECOVERY SYSTEM, AND ARRANGEMENT FOR DRYING MATERIAL Final Rejection SPINNOVA OYJ
18888119 AIR CONDITIONER OUTDOOR UNIT AND AIR CONDITIONER Non-Final OA HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.

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Frequently Asked Questions

What is examiner Elizabeth J Martin's allowance rate?

78.8% of resolved applications examined by Elizabeth J Martin were allowed (963 resolved cases), compared with 0.0% across Art Unit 3744 over the last five years.

Does an interview help with examiner Elizabeth J Martin?

This examiner's interview lift is +20.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elizabeth J Martin take to allow a patent?

Applications allowed by Elizabeth J Martin took 922 days on average from filing to allowance.

Which art unit does examiner Elizabeth J Martin work in?

Elizabeth J Martin examines applications in Art Unit 3744 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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