Prosecution Insights
Last updated: October 27, 2026

Tung X Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, TUNG X

Tech Center 2800 • Art Units: 2829 2857 2858 2868

This examiner grants 88% of resolved cases

Analysis

Tung X Nguyen is an examiner in Tech Center 2800 who has overseen 764 resolved cases. His work in Art Unit 2829 features an allowance rate of 88.1 percent. For applications that reach allowance, the median time to grant is 918 days. This 918 days median pendency is a metric for applicants to consider when planning their prosecution timelines. The 88.1 percent allowance rate indicates the frequency of granted applications on his docket.

The interview lift for this examiner is 2.8 percent. This 2.8 percent increase in the probability of allowance suggests that interviews correlate with the lift in allowance probability. Top companies on his docket include MediaTek Inc., Texas Instruments Incorporated, and Alps Alpine Co., Ltd. These applicants are often represented by firms such as NORTH AMERICA INTELLECTUAL PROPERTY CORPORATION, Barron & Young PLLC, and CANTOR COLBURN LLP. These firms must account for the 88.1 percent allowance rate and the 918 days median pendency when advising their clients on prosecution strategy.

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

Performance Statistics

88.1%
Allow Rate
+20.1% vs TC avg
782
Total Applications
+2.8%
Interview Lift
918
Avg Prosecution Days
Based on 764 resolved cases, 2023–2026

Rejection Statute Breakdown

2.7%
§101 Eligibility
38.6%
§102 Novelty
52.1%
§103 Obviousness
3.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18956271 SCAN TESTABLE THROUGH SILICON VIAS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
19048861 Dynamic Voltage Stress Condition Optimization Method and Dynamic Voltage Stress Condition Optimization System Capable of Performing Block-based Dynamic Voltage Stress Wafer Testing Process Non-Final OA MEDIATEK INC.
18967583 CIRCUIT AND METHOD FOR MEASURING AND TUNING QUALITY FACTOR OF RESONATOR-BASED LOOP FILTER IN DELTA-SIGMA ANALOG-TO-DIGITAL CONVERTER Non-Final OA MEDIATEK INC.
18945457 TESTING APPARATUS AND ITS CONDUCTIVE TERMINAL Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.

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Frequently Asked Questions

What is examiner Tung X Nguyen's allowance rate?

88.1% of resolved applications examined by Tung X Nguyen were allowed (764 resolved cases), compared with 53.7% across Art Unit 2829 over the last five years.

Does an interview help with examiner Tung X Nguyen?

This examiner's interview lift is +2.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tung X Nguyen take to allow a patent?

Applications allowed by Tung X Nguyen took 918 days on average from filing to allowance.

Which art unit does examiner Tung X Nguyen work in?

Tung X Nguyen examines applications in Art Unit 2829 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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