Prosecution Insights
Last updated: October 27, 2026

Ethan Nguyen Vo, USPTO Patent Examiner

Listed by the USPTO as VO, ETHAN NGUYEN

Tech Center 3700 • Art Units: 2834 3723

This examiner grants 79% of resolved cases

Analysis

VO, ETHAN NGUYEN works in tech center 3700 and art unit 2834. The profile records 66 resolved cases, with an allowance rate of 78.8% and a median of 949 days to allowance. The interview lift is 10.2%, showing a positive recorded association between interviews and allowance outcomes.

The principal company clients are MITSUBA Corporation, Robert Bosch GmbH, and Toyota Group. The leading firms are BRAKE HUGHES BELLERMANN LLP, CARTER, DELUCA & FARRELL LLP, and Chrisman Gallo Tochtrop LLC. The limited case record calls for matter-specific review, but the figures support using interviews as part of prosecution planning while accounting for the recorded allowance timing.

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

Performance Statistics

78.8%
Allow Rate
+8.8% vs TC avg
87
Total Applications
+10.2%
Interview Lift
949
Avg Prosecution Days
Based on 66 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
27.5%
§102 Novelty
65.2%
§103 Obviousness
7.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18948739 INTEGRATED GENERATOR/CONVERTER FOR TURBINE APPLICATIONS Non-Final OA The Regents of The University of Michigan
18043374 MICROMECHANICAL COMPONENT AND MANUFACTURING METHOD FOR A MICROMECHANICAL COMPONENT FOR A SENSOR OR MICROPHONE DEVICE Non-Final OA Robert Bosch GmbH
19029434 ELECTRICALLY EXCITED SYNCHRONOUS MOTOR, DRIVE SYSTEM AND VEHICLE Non-Final OA Valeo eAutomotive Germany GmbH
18869865 MAGNETIC GEAR Non-Final OA Mitsubishi Electric Corporation
19092192 ROTOR AND ROTARY ELECTRIC MACHINE Non-Final OA NIDEC CORPORATION
19108176 ELECTRIC MOTOR AND CONTROL DEVICE Non-Final OA FANUC CORPORATION
19079384 MOTOR DEVICE AND MANUFACTURING METHOD OF ROTOR Non-Final OA MITSUBA Corporation
18547881 ROTOR AND MOTOR Non-Final OA Mitsuba Corporation
18259138 MOTOR Final Rejection MINEBEA MITSUMI Inc.

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Frequently Asked Questions

What is examiner Ethan Nguyen Vo's allowance rate?

78.8% of resolved applications examined by Ethan Nguyen Vo were allowed (66 resolved cases), compared with 68.3% across Art Unit 2834 over the last five years.

Does an interview help with examiner Ethan Nguyen Vo?

This examiner's interview lift is +10.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ethan Nguyen Vo take to allow a patent?

Applications allowed by Ethan Nguyen Vo took 949 days on average from filing to allowance.

Which art unit does examiner Ethan Nguyen Vo work in?

Ethan Nguyen Vo examines applications in Art Unit 2834 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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