Prosecution Insights
Last updated: October 27, 2026

Viet P Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, VIET P

Tech Center 2800 • Art Units: 2831 2832 2833 2834

This examiner grants 62% of resolved cases

Analysis

NGUYEN, VIET P works in USPTO Technology Center 2800, art unit 2831. The profile includes 731 resolved cases and an allowance rate of 61.7%. The median time to allowance is 862 days. Interview lift is 30.2%, indicating a strong positive association between interviews and allowance outcomes in the recorded matters.

The listed companies are Safran S.A., MAKITA Corporation, and Honda Motor Co., Ltd. The listed firms are CHRISTENSEN O'CONNOR JOHNSON KINDNESS PLLC, Fitch, Even, Tabin & Flannery, LLP, and HAMILTON, BROOK, SMITH & REYNOLDS, P.C. The allowance rate indicates a demanding prosecution environment, so applicants should prepare carefully supported claim positions. The interview result supports using direct examiner engagement to clarify technical distinctions and identify productive amendment paths. The median timing suggests that prosecution may still require sustained attention even when interviews are used effectively. Practitioners should align response strategy with continuation and commercial planning.

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

Performance Statistics

61.7%
Allow Rate
-6.3% vs TC avg
751
Total Applications
+30.2%
Interview Lift
862
Avg Prosecution Days
Based on 731 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
16.6%
§102 Novelty
55.7%
§103 Obviousness
22.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18866516 SYNCHRONOUS ELECTRIC MACHINE FOR AIRCRAFT, ASSOCIATED PROPULSION DEVICE, TURBOSHAFT ENGINE AND METHOD Non-Final OA SAFRAN HELICOPTER ENGINES
18804572 RECIPROCATING TOOL Final Rejection MAKITA CORPORATION
19052981 COOLING DEVICE AND FLYING OBJECT Non-Final OA HONDA MOTOR CO., LTD.
18682795 STATOR FOR AN ELECTRIC MACHINE, METHOD FOR PRODUCING A STATOR, ELECTRIC MACHINE AND VEHICLE Final Rejection Valeo eAutomotive Germany GmbH
19006484 MOTOR FOR A MOBILE ROBOT Non-Final OA Boston Dynamics, Inc.

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Frequently Asked Questions

What is examiner Viet P Nguyen's allowance rate?

61.7% of resolved applications examined by Viet P Nguyen were allowed (731 resolved cases), compared with 72.3% across Art Unit 2831 over the last five years.

Does an interview help with examiner Viet P Nguyen?

This examiner's interview lift is +30.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Viet P Nguyen take to allow a patent?

Applications allowed by Viet P Nguyen took 862 days on average from filing to allowance.

Which art unit does examiner Viet P Nguyen work in?

Viet P Nguyen examines applications in Art Unit 2831 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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