Prosecution Insights
Last updated: October 26, 2026

Joseph Henry Brown, USPTO Patent Examiner

Listed by the USPTO as BROWN, JOSEPH HENRY

Tech Center 3700 • Art Units: 3618 3658 3722 3795 3796

This examiner grants 60% of resolved cases

Analysis

BROWN, JOSEPH HENRY is assigned to Tech Center 3700 and Art Unit 3618. The record shows 476 resolved cases, an allowance rate of 60.3%, and a median of 946 days to allowance. Interviews are associated with a 38.0% lift, giving them a substantial role in the observed prosecution pattern and supporting careful preparation for examiner discussions.

The listed companies are Volvo Group, Sumitomo Heavy Industries Ltd., and Seiko Epson Corporation. The leading firms are ABB - Whitmyer IP Group LLC, AJU IP Global PLLC, and Cantor Colburn LLP - Power Controls,. These organizations identify representative industrial and technology activity, while the metrics help practitioners plan for allowance uncertainty and prosecution duration.

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

Performance Statistics

60.3%
Allow Rate
-9.7% vs TC avg
516
Total Applications
+38.0%
Interview Lift
946
Avg Prosecution Days
Based on 476 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
24.9%
§102 Novelty
45.3%
§103 Obviousness
28.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19092986 ROBOT AND ROBOT SYSTEM Non-Final OA SEIKO EPSON CORPORATION
18860969 NESTING PROXIMAL LINKS FOR TABLE MOUNTED MANIPULATOR SYSTEM, AND RELATED DEVICES, SYSTEMS AND METHODS Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18717152 INDUSTRIAL ROBOT COMPRISING SEALED COVER Non-Final OA ABB Schweiz AG
18604945 GEARWHEEL ARRANGEMENT, A TRANSMISSION, AND A VEHICLE Final Rejection Volvo Truck Corporation
18391855 Gearwheel Arrangement Final Rejection VOLVO TRUCK CORPORATION
19185168 POWER TRANSMISSION DEVICE Non-Final OA Honda Motor Co., Ltd.
19110817 CLUTCH CONTROL DEVICE Non-Final OA HONDA MOTOR CO., LTD.
18880766 POWER-SHIFT TRANSMISSION FOR A MOTOR VEHICLE TRANSMISSION OF THE RANGE CHANGE TYPE Non-Final OA ZF Friedrichshafen AG
18602224 EXTENSION TOOL Non-Final OA OLIVER CRISPIN ROBOTICS LIMITED
18750542 SURGICAL PLATFORM WITH MOTORIZED ARMS Final Rejection Auris Health, Inc.
18829428 ACTUATOR Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
18829384 ACTUATOR Non-Final OA SUMITOMO HEAVY INDUSTRIES, LTD.
18939584 ELECTRIC VEHICLE (EV) GEARBOX ASSEMBLY Final Rejection BorgWarner Inc.
17288048 Actuating Mechanism, Clutch Actuator and Transmission Actuator With Improved Vibration Behavior Final Rejection KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Joseph Henry Brown's allowance rate?

60.3% of resolved applications examined by Joseph Henry Brown were allowed (476 resolved cases), compared with 61.7% across Art Unit 3618 over the last five years.

Does an interview help with examiner Joseph Henry Brown?

This examiner's interview lift is +38.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph Henry Brown take to allow a patent?

Applications allowed by Joseph Henry Brown took 946 days on average from filing to allowance.

Which art unit does examiner Joseph Henry Brown work in?

Joseph Henry Brown examines applications in Art Unit 3618 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month