Prosecution Insights
Last updated: October 26, 2026

Drew J Brown, USPTO Patent Examiner

Listed by the USPTO as BROWN, DREW J

Tech Center 3600 • Art Units: 3611 3614 3616 3617

This examiner grants 90% of resolved cases

Analysis

BROWN, DREW J is assigned to Tech Center 3600 and Art Unit 3611. The record includes 1396 resolved cases, an allowance rate of 89.5%, and a median of 679 days to allowance. Interviews are associated with a 5.9% lift, so they may be useful as a targeted measure within an otherwise application-specific prosecution strategy.

The listed companies are Volvo Group, Fox Factory Inc., and Jaguar Land Rover Limited. The leading firms are BakerHostetler, CAHN & SAMUELS LLP, and CARLSON, GASKEY & OLDS, P.C. These organizations identify representative automotive and mechanical work, while the substantial case record and timing measure provide a firm basis for planning around this examiner’s docket.

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

Performance Statistics

89.5%
Allow Rate
+37.5% vs TC avg
1,419
Total Applications
+5.9%
Interview Lift
679
Avg Prosecution Days
Based on 1396 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
34.3%
§102 Novelty
45.3%
§103 Obviousness
14.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18841137 SUSPENDED ENERGY STORAGE UNIT WITH CUBOID PRESSURE VESSELS Final Rejection Volvo Truck Corporation
18864125 VEHICLE CONTROLLER AND CONTROL METHOD Non-Final OA JAGUAR LAND ROVER LIMITED
19033450 WHEEL-LEGGED TRAVELING DEVICE AND WHEEL-LEGGED ROBOT Non-Final OA Beijing Youzhuju Network Technology Co., Ltd.
18820595 DAMPING MEMBER FOR A PNEUMATIC VALVE OF A PNEUMATIC SYSTEM OF A VEHICLE, PNEUMATIC SYSTEM, VEHICLE, AND METHOD Non-Final OA ZF CV Systems Europe BV
18844437 VEHICLE AIR TANK Final Rejection International Truck Intellectual Property Company, LLC

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Frequently Asked Questions

What is examiner Drew J Brown's allowance rate?

89.5% of resolved applications examined by Drew J Brown were allowed (1,396 resolved cases), compared with 67.1% across Art Unit 3611 over the last five years.

Does an interview help with examiner Drew J Brown?

This examiner's interview lift is +5.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Drew J Brown take to allow a patent?

Applications allowed by Drew J Brown took 679 days on average from filing to allowance.

Which art unit does examiner Drew J Brown work in?

Drew J Brown examines applications in Art Unit 3611 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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