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Last updated: October 27, 2026

Thu Van Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, THU VAN

Tech Center 2800 • Art Units: 2898

This examiner grants 0% of resolved cases

Performance Statistics

—

Allow Rate

-68.0% vs TC avg

1

Total Applications

—

Interview Lift

0

Avg Prosecution Days

Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

33.3%

§101 Eligibility

33.3%

§102 Novelty

33.3%

§103 Obviousness

0%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18769278	SHALLOW TRENCH ISOLATION STRUCTURES HAVING UNIFORM STEP HEIGHTS	Non-Final OA	Taiwan Semiconductor Manufacturing Company, Ltd.

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Who Appears Before This Examiner

Top companies before this examiner

Taiwan Semiconductor Manufacturing Company, Ltd. (1)

Law firms appearing most often

STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C. (1)

Frequently Asked Questions

Which art unit does examiner Thu Van Nguyen work in?

Thu Van Nguyen examines applications in Art Unit 2898 in Tech Center 2800 (Semiconductors, Circuits & Optics).