Prosecution Insights
Last updated: October 27, 2026

Joel Barnett, USPTO Patent Examiner

Listed by the USPTO as BARNETT, JOEL

Tech Center 2800 • Art Units: 2836 2849 2859

This examiner grants 80% of resolved cases

Analysis

BARNETT, JOEL handles matters in Tech Center 2800 and Art Unit 2836. The record shows 453 resolved cases, an 80.4% allowance rate, and an 11.4% interview lift. The positive interview result supports including examiner interviews in prosecution planning.

The median time to allowance is 988 days. The leading companies are MILWAUKEE ELECTRIC TOOL Corporation, Huawei Technologies Co., Ltd., and Illinois Tool Works Inc. The listed firms are AMPACC Law Group, PLLC, CROWELL & MORING LLP, and Foley & Lardner LLP.

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

Performance Statistics

80.4%
Allow Rate
+12.4% vs TC avg
485
Total Applications
+11.4%
Interview Lift
988
Avg Prosecution Days
Based on 453 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
17.3%
§102 Novelty
55.9%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19021637 EXTERNALLY CONFIGURABLE WORKSITE POWER DISTRIBUTION BOX Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
19209051 ELECTRIC VEHICLE DRIVE SYSTEM, CONTROLLER, AND ELECTRIC VEHICLE Final Rejection Huawei Digital Power Technologies Co., Ltd.
18474756 COOLING OF BATTERY CELLS Final Rejection VOLVO TRUCK CORPORATION
19270577 ELECTRIFIED VEHICLE AND METHOD OF POWER SOURCE CONTROL FOR THE SAME Non-Final OA Kia Corporation
18938850 BATTERY UNIT AND BATTERY MONITORING APPARATUS Final Rejection DENSO CORPORATION
18738983 REDUCED POWERTRAIN LOAD ON BATTERY CONTACTOR Non-Final OA Caterpillar Inc.
18915019 APPARATUS CONFIGURED FOR BACKSCATTER MODULATION USING HARVESTED ENERGY Final Rejection Nokia Technologies Oy
18576410 Device and Method for Controlling and Supplying Energy to Components in Vehicles Final Rejection KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH

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Frequently Asked Questions

What is examiner Joel Barnett's allowance rate?

80.4% of resolved applications examined by Joel Barnett were allowed (453 resolved cases), compared with 66.2% across Art Unit 2836 over the last five years.

Does an interview help with examiner Joel Barnett?

This examiner's interview lift is +11.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joel Barnett take to allow a patent?

Applications allowed by Joel Barnett took 988 days on average from filing to allowance.

Which art unit does examiner Joel Barnett work in?

Joel Barnett examines applications in Art Unit 2836 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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