Prosecution Insights
Last updated: October 27, 2026

Owen Lewis Marsh, USPTO Patent Examiner

Listed by the USPTO as MARSH, OWEN LEWIS

Tech Center 3700 • Art Units: 3771 3794 3796

This examiner grants 67% of resolved cases

Analysis

MARSH, OWEN LEWIS is assigned to tech center 3700 and art unit 3771. The profile has 3 resolved cases, a 66.7% allowance rate, and a 50.0% interview lift. The median time to allowance is 780 days. Because the resolved-case base is limited, the figures should be treated as an early directional record.

Listed companies include Boston Scientific Corporation, Medtronic Inc., and Oura Health Oy. Listed firms include Lewis & Reese, PLLC, SEAGER, TUFTE & WICKHEM, LLP, and ADE & COMPANY INC. The available data points to interviews as a potentially useful prosecution tool.

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

Performance Statistics

66.7%
Allow Rate
-3.3% vs TC avg
46
Total Applications
+50.0%
Interview Lift
780
Avg Prosecution Days
Based on 3 resolved cases, 2023–2026

Rejection Statute Breakdown

13.6%
§101 Eligibility
23.9%
§102 Novelty
32.6%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18844091 DRIVE DEVICE, SURGICAL TOOL DEVICE, ARM DEVICE, AND MASTER-SLAVE SYSTEM Non-Final OA SONY GROUP CORPORATION
19023769 MEDICAL DEVICE AND METHODS OF USE Non-Final OA Boston Scientific Scimed, Inc.
18884529 CIRCULATORY SUPPORT DEVICES, SYSTEMS, AND METHODS Non-Final OA Boston Scientific Scimed, Inc.
18992596 DIRECTABLE LASER CATHETER SONIC WAVE WITH FOCUSING CHAMBER Non-Final OA KONINKLIJKE PHILIPS N.V.
18294496 ELECTRODES FOR NEUROMODULATION Final Rejection Cala Health, Inc.
18976395 SENSOR GEOMETRY FOR A WEARABLE DEVICE Non-Final OA Oura Health Oy
18661985 TECHNIQUES FOR UTILIZING A MULTI-OUTPUT NEURAL NETWORK Non-Final OA Oura Health Oy
19013563 SYSTEMS AND METHODS OF DETERMINING LOCATION USING A MEDICAL DEVICE Non-Final OA ZOLL Medical Corporation
18849671 REMOTE ARRHYTHMIA DETECTION AND TREATMENT ANALYSIS IN WEARABLE CARDIAC DEVICES Non-Final OA ZOLL Medical Corporation
19120156 CONDUCTION SYSTEM PACING CONTROL Non-Final OA Medtronic, Inc.
19104493 SURROGATE LEFT VENTRICULAR ACTIVATION TIME Non-Final OA Medtronic, Inc.
19101446 HEALTH EVENT PREDICTION USING HEARTBEAT INTERVALS FROM ELECTROCARDIOGRAM DATA Non-Final OA Medtronic, Inc.
18871713 IMPLANTABLE MEDICAL LEAD IMPLANT TOOL Non-Final OA Medtronic, Inc.
18987416 LASER PHACOLYSIS SYSTEM AND METHOD Non-Final OA UNIVERSITY OF SOUTH FLORIDA
19044030 Deep Brain Stimulation Neuromodulation Targeting Non-Final OA Boston Scientific Neuromodulation Corporation
18915053 Use of Brain Anatomical Features to Optimize Deep Brain Stimulation Final Rejection Boston Scientific Neuromodulation Corporation
18909601 SYSTEMS AND METHODS FOR MODULATING THE NEUROIMMUNE SYSTEM Non-Final OA Boston Scientific Neuromodulation Corporation
18635292 DELIVERY TUBE WITH BRAID Non-Final OA MAGENTA MEDICAL LTD

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Frequently Asked Questions

What is examiner Owen Lewis Marsh's allowance rate?

66.7% of resolved applications examined by Owen Lewis Marsh were allowed (3 resolved cases), compared with 65.9% across Art Unit 3771 over the last five years.

Does an interview help with examiner Owen Lewis Marsh?

This examiner's interview lift is +50.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Owen Lewis Marsh take to allow a patent?

Applications allowed by Owen Lewis Marsh took 780 days on average from filing to allowance.

Which art unit does examiner Owen Lewis Marsh work in?

Owen Lewis Marsh examines applications in Art Unit 3771 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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