Prosecution Insights
Last updated: October 26, 2026

John Michael Chambers, USPTO Patent Examiner

Listed by the USPTO as CHAMBERS, JOHN MICHAEL

Tech Center 3700 • Art Units: 3761

This examiner grants 0% of resolved cases

Analysis

CHAMBERS, JOHN MICHAEL has 2 resolved cases, with a 0.0% allowance rate and a median of 1248 days to allowance. The profile is assigned to Tech Center 3700 and art unit 3761. The 0.0% interview lift provides no measured indication of an interview effect in this record.

The listed companies are Trumpf SE + Co. KG, LG Electronics Inc., and Illinois Tool Works Inc. The listed firms are Anova Law Group PLLC, BIRCH STEWART KOLASCH & BIRCH, LLP, and Bose McKinney & Evans LLP. Because the resolved-case total is very limited, practitioners should avoid treating these figures as a stable prediction of future examination.

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

Performance Statistics

0.0%
Allow Rate
-70.0% vs TC avg
21
Total Applications
+0.0%
Interview Lift
1248
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
27.7%
§102 Novelty
40.0%
§103 Obviousness
23.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18231828 COOKING APPLIANCE Non-Final OA LG ELECTRONICS INC.
18219937 WELDING TECHNIQUE MONITORING SYSTEMS USING ACOUSTIC TRACKING Non-Final OA Illinois Tool Works Inc.
18288750 HEATER CONTROL UNIT FOR EXHAUST AFTER TREATMENT SYSTEM Non-Final OA Cummins Inc.
18435341 INSULATOR FOR INDUCTION APPLIANCE Non-Final OA WHIRLPOOL CORPORATION
18683296 DRY HEATER DETECTION FOR AEROSOL-GENERATING SYSTEM Non-Final OA Philip Morris Products S.A.

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Frequently Asked Questions

What is examiner John Michael Chambers's allowance rate?

0.0% of resolved applications examined by John Michael Chambers were allowed (2 resolved cases), compared with 57.7% across Art Unit 3761 over the last five years.

Does an interview help with examiner John Michael Chambers?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by John Michael Chambers took 1,248 days on average from filing to allowance.

Which art unit does examiner John Michael Chambers work in?

John Michael Chambers examines applications in Art Unit 3761 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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