Prosecution Insights
Last updated: October 27, 2026

Dustin T Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, DUSTIN T

Tech Center 3700 • Art Units: 3616 3725 3745

This examiner grants 73% of resolved cases

Analysis

NGUYEN, DUSTIN T is assigned to Technology Center 3700 and Art Unit 3616. The profile contains 486 resolved cases and an allowance rate of 72.6%. That result indicates a generally favorable path to allowance, while leaving meaningful room for claim negotiation and examiner response. The median time to allowance is 914 days, supporting advance planning for prosecution budgets and portfolio schedules.

The interview lift is 17.8%, which supports interviews as a useful option for addressing technical or claim-scope issues. Counsel should connect any interview to a defined written response and maintain a clear prosecution record. The leading companies are Samsung Electronics Co., Ltd., Airbus Operations GmbH, and Illinois Tool Works Inc. The leading firms are ANDRUS INTELLECTUAL PROPERTY LAW, LLP, GREER, BURNS & CRAIN, LTD, and BakerHostetler.

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

Performance Statistics

72.6%
Allow Rate
+2.6% vs TC avg
530
Total Applications
+17.8%
Interview Lift
914
Avg Prosecution Days
Based on 486 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
22.6%
§102 Novelty
41.3%
§103 Obviousness
33.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18538337 GRINDER Non-Final OA Samsung Electronics Co., Ltd.
18362964 WORK VEHICLE AND SPEED CONTROL METHOD FOR WORK VEHICLE Non-Final OA KUBOTA CORPORATION
18564821 GRINDING PLATE FOR A GRINDING DISK OF A GRINDING MACHINE AND PRODUCTION METHOD Final Rejection Hilti Aktiengesellschaft
18888291 SYSTEM FOR DETECTING ABNORMALITY IN HYDRAULIC ROTATING EQUIPMENT Non-Final OA KAWASAKI JUKOGYO KABUSHIKI KAISHA
19099873 Hydraulic Actuator for Work Machine Non-Final OA Caterpillar Inc.
18544535 ACCUMULATOR WITH SUPPLY VALVE AND BRAKE SYSTEM USING SAME Non-Final OA ZF Active Safety US Inc.
18372249 VEHICLE, HYDRAULIC SYSTEM FOR POWERTRAIN OF VEHICLE, AND CONTROL METHOD THEREOF Final Rejection BYD COMPANY LIMITED
18541797 LIGHT INTENSITY ADJUSTMENT METHOD FOR OPTICAL FILM THICKNESS MEASURING DEVICE AND POLISHING APPARATUS Non-Final OA EBARA CORPORATION
18423188 SUBSTRATE HOLDING DEVICE AND SUBSTRATE TREATING APPARATUS PROVIDED THEREWITH Non-Final OA SCREEN Holdings Co., Ltd.
18539676 GRINDING WHEEL AND GRINDING METHOD Final Rejection DISCO CORPORATION

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Frequently Asked Questions

What is examiner Dustin T Nguyen's allowance rate?

72.6% of resolved applications examined by Dustin T Nguyen were allowed (486 resolved cases), compared with 73.2% across Art Unit 3616 over the last five years.

Does an interview help with examiner Dustin T Nguyen?

This examiner's interview lift is +17.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dustin T Nguyen take to allow a patent?

Applications allowed by Dustin T Nguyen took 914 days on average from filing to allowance.

Which art unit does examiner Dustin T Nguyen work in?

Dustin T Nguyen examines applications in Art Unit 3616 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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