Prosecution Insights
Last updated: October 26, 2026

Thukhanh T Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, THUKHANH T

Tech Center 1700 • Art Units: 1743 1744 1747 1754 1758 1791

This examiner grants 75% of resolved cases

Analysis

Thukhanh T Nguyen is an examiner in Tech Center 1700 who has overseen 851 resolved cases. Her work in Art Unit 1743 features an allowance rate of 74.7 percent. For applications that reach allowance, the median time to grant is 983 days. This 983 days median pendency is a metric for applicants to consider when planning their prosecution timelines. The 74.7 percent allowance rate indicates the frequency of granted applications on her docket.

The interview lift for this examiner is 10.7 percent. This 10.7 percent increase in the probability of allowance suggests that interviews correlate with the lift in allowance probability. Top companies on her docket include Seiko Epson Corporation, Vestas Wind Systems A/S, and Moxietec LLC. These applicants are often represented by firms such as WORKMAN NYDEGGER, BENESCH, FRIEDLANDER, COPLAN & ARONOFF LLP, and BIRCH STEWART KOLASCH & BIRCH, LLP. These firms must account for the 74.7 percent allowance rate and the 983 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

74.7%
Allow Rate
+9.7% vs TC avg
871
Total Applications
+10.7%
Interview Lift
983
Avg Prosecution Days
Based on 851 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
30.2%
§102 Novelty
51.0%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18783579 MANUFACTURING METHOD FOR THREE DIMENSIONAL MOLDED OBJECT Final Rejection SEIKO EPSON CORPORATION
19141224 POWDER SUPPLY APPARATUS Non-Final OA EBARA CORPORATION

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Frequently Asked Questions

What is examiner Thukhanh T Nguyen's allowance rate?

74.7% of resolved applications examined by Thukhanh T Nguyen were allowed (851 resolved cases), compared with 59.4% across Art Unit 1743 over the last five years.

Does an interview help with examiner Thukhanh T Nguyen?

This examiner's interview lift is +10.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Thukhanh T Nguyen took 983 days on average from filing to allowance.

Which art unit does examiner Thukhanh T Nguyen work in?

Thukhanh T Nguyen examines applications in Art Unit 1743 in Tech Center 1700 (Chemistry & Materials).

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