Prosecution Insights
Last updated: October 26, 2026

Michael William Kahelin, USPTO Patent Examiner

Listed by the USPTO as KAHELIN, MICHAEL WILLIAM

Tech Center 3700 • Art Units: 2118 3657 3735 3762 3792

This examiner grants 78% of resolved cases

Analysis

KAHELIN, MICHAEL WILLIAM is assigned to Tech Center 3700 and Art Unit 2118. The profile contains 687 resolved cases and a 78.0% allowance rate. The majority allowance result is supported by a substantial resolved docket, giving applicants a useful historical reference for prosecution before this examiner.

The interview lift is 23.6%, showing a positive association between interviews and allowance. Practitioners may consider interviews when direct explanation of claim scope or technical distinctions could improve the efficiency of prosecution. The median time to allowance is 1160 days, indicating that applicants should plan for an extended period before allowance. The leading companies are Novocure GmbH, Covidien L.P., and Abiomed Inc. The listed firms are MCCOY RUSSELL LLP, Belvis Law, and BOTOS CHURCHILL IP LAW LLP-ABIO.

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

Performance Statistics

78.0%
Allow Rate
+8.0% vs TC avg
718
Total Applications
+23.6%
Interview Lift
1160
Avg Prosecution Days
Based on 687 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
24.3%
§102 Novelty
40.1%
§103 Obviousness
24.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18839787 MECHANICAL WORKAROUND TWO-WAY FOOTSWITCH FOR A SURGICAL ROBOTIC SYSTEM Final Rejection Covidien LP
18964848 WEARABLE MONITORING AND TREATMENT DEVICE Non-Final OA ZOLL MEDICAL CORPORATION
18829512 BUNDLE BRANCH PACING DEVICES AND METHODS Non-Final OA MEDTRONIC, INC.
19075992 Neural regeneration enhancement device using wireless electrical stimulation based on high-frequency induction coil and conductive hydrogel Non-Final OA Korea University Research and Business Foundation

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Frequently Asked Questions

What is examiner Michael William Kahelin's allowance rate?

78.0% of resolved applications examined by Michael William Kahelin were allowed (687 resolved cases), compared with 42.6% across Art Unit 2118 over the last five years.

Does an interview help with examiner Michael William Kahelin?

This examiner's interview lift is +23.6 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 William Kahelin take to allow a patent?

Applications allowed by Michael William Kahelin took 1,160 days on average from filing to allowance.

Which art unit does examiner Michael William Kahelin work in?

Michael William Kahelin examines applications in Art Unit 2118 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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