Prosecution Insights
Last updated: October 26, 2026

John Michael Larson, USPTO Patent Examiner

Listed by the USPTO as LARSON, JOHN MICHAEL

Tech Center 3700 • Art Units: 2834 3723

This examiner grants 67% of resolved cases

Analysis

LARSON, JOHN MICHAEL is associated with Tech Center 3700 and art unit 2834. The record covers 9 resolved cases, with an allowance rate of 66.7% and a median of 1005 days to allowance. Interviews correspond to a 66.7% lift in the allowance rate. Because the record is limited, the interview and allowance figures should be treated as directional information rather than a settled expectation for future cases.

The listed companies are Samsung Electronics Co., Ltd., 3M Innovative Properties Company, and Hilti Aktiengesellschaft. The listed firms are Arcane Law PLLC, BakerHostetler, and BCF LLP (Misc.). These appearances identify counsel and applicants with experience in the docket. Practitioners can examine those histories for issue-specific guidance, but should base interview, amendment, and continuation decisions on the claims and prosecution record of the application at hand.

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
34
Total Applications
+66.7%
Interview Lift
1005
Avg Prosecution Days
Based on 9 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
25.6%
§102 Novelty
46.5%
§103 Obviousness
24.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18822523 SEMICONDUCTOR WAFER GRINDING WHEEL AND SEMICONDUCTOR WAFER POLISHING APPARATUS INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18434492 SUBSTRATE POLISHING DEVICE, SUBSTRATE PROCESSING SYSTEM AND POLISHING METHOD USING THE SAME Final Rejection Samsung Electronics Co., Ltd.
18709216 NONWOVEN ABRASIVE ARTICLES AND METHODS OF MAKING THE SAME Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18698710 SURFACE CONDITIONING ARTICLE AND METHODS OF MAKING AND USING THE SAME Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18287761 Force Amplified Fastener for Power Tool Implements Final Rejection TECHTRONIC CORDLESS GP
18731970 SUCTION DEVICE HAVING A COOLING DUCT AND METHOD FOR OPERAT-ING THE SUCTION DEVICE Non-Final OA Hilti Aktiengesellschaft
18716865 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD Non-Final OA EBARA CORPORATION

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Frequently Asked Questions

What is examiner John Michael Larson's allowance rate?

66.7% of resolved applications examined by John Michael Larson were allowed (9 resolved cases), compared with 68.3% across Art Unit 2834 over the last five years.

Does an interview help with examiner John Michael Larson?

This examiner's interview lift is +66.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John Michael Larson take to allow a patent?

Applications allowed by John Michael Larson took 1,005 days on average from filing to allowance.

Which art unit does examiner John Michael Larson work in?

John Michael Larson examines applications in Art Unit 2834 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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