Prosecution Insights
Last updated: October 26, 2026

Michael Tomaszewski, USPTO Patent Examiner

Listed by the USPTO as TOMASZEWSKI, MICHAEL

Tech Center 3700 • Art Units: 1631 3626 3681 3686 3783 3795

This examiner grants 48% of resolved cases

Analysis

TOMASZEWSKI, MICHAEL is assigned to tech center 3700 and art unit 1631. The profile covers 596 resolved cases, with an allowance rate of 48.0% and a median of 1190 days to allowance. The interview lift is 22.2%, so examiner interaction may be relevant, although the allowance record indicates that applicants should also prepare for substantive claim development.

Representative companies include Google LLC, Boston Scientific Corporation, and Medtronic Minimed Inc. The listed firms are BALLARD SPAHR LLP, BROWNSTEIN HYATT FARBER SCHRECK, LLP, and Condo Roccia Koptiw LLP. These names show activity across technology and medical-device portfolios, giving practitioners a starting point for reviewing prosecution approaches in the art unit.

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

Performance Statistics

48.0%
Allow Rate
-22.0% vs TC avg
630
Total Applications
+22.2%
Interview Lift
1190
Avg Prosecution Days
Based on 596 resolved cases, 2023–2026

Rejection Statute Breakdown

53.1%
§101 Eligibility
1.6%
§102 Novelty
38.5%
§103 Obviousness
3.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18857430 Computing Device Having a Button for Multiple Modes of Sensing Final Rejection Google LLC
18450934 LEFT ATRIAL APPENDAGE CLOSURE PRE-PROCEDURE SYSTEM AND METHODS Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18564695 STRESSOR ESTIMATION DEVICE, STRESSOR ESTIMATION METHOD, AND STORAGE MEDIUM Non-Final OA NEC Corporation
18810036 ADAPTIVE INTERACTION BETWEEN SMART HEALTHCARE SYSTEMS Final Rejection Cilag GmbH International
18772453 VENDOR NEUTRAL ARTIFICIAL INTELLIGENCE INFUSED PROTOCOL CREATION AND OPTIMIZATION Final Rejection GE Precision Healthcare LLC
18805891 ASSESSING CARDIAC RISK Non-Final OA ZOLL Medical Corporation
17816001 SYSTEM AND METHOD FOR ESTIMATING A RESERVOIR VOLUME OF AN IMPLANTABLE MEDICAL DEVICE Non-Final OA Medtronic, Inc.
18406868 CLINICAL SYSTEM INTEGRATION Final Rejection United States Government as Represented by the Department of Veterans Affairs

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Frequently Asked Questions

What is examiner Michael Tomaszewski's allowance rate?

48.0% of resolved applications examined by Michael Tomaszewski were allowed (596 resolved cases), compared with 28.4% across Art Unit 1631 over the last five years.

Does an interview help with examiner Michael Tomaszewski?

This examiner's interview lift is +22.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael Tomaszewski take to allow a patent?

Applications allowed by Michael Tomaszewski took 1,190 days on average from filing to allowance.

Which art unit does examiner Michael Tomaszewski work in?

Michael Tomaszewski examines applications in Art Unit 1631 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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