Prosecution Insights
Last updated: October 26, 2026

Quang X.L. Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, QUANG X.L.

Tech Center 2800 • Art Units: 1774 2853 2854

This examiner grants 49% of resolved cases

Analysis

NGUYEN, QUANG X.L. is a USPTO patent examiner in tech center 2800 and art unit 1774. The profile shows 496 resolved cases and a 49.0% allowance rate. Median time to allowance is 1200 days. Interview lift is 11.9%, lower than the allowance rate. The figures indicate that applicants should expect meaningful prosecution work and should not rely on interviews alone to address claimability concerns.

The main companies are Agency for Science, Technology and Research, RTX Corporation, and Kia Corporation. The leading firms are AMIN WASSERMAN GURNANI LLP, C. Tumey Law Group, PLLC - Exxon, and CANTOR COLBURN LLP. The 1200-day median calls for early strategy, consistent claim development, and careful management of response timing.

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

Performance Statistics

49.0%
Allow Rate
-19.0% vs TC avg
520
Total Applications
+11.9%
Interview Lift
1200
Avg Prosecution Days
Based on 496 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
21.4%
§102 Novelty
56.0%
§103 Obviousness
16.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18887837 SEMICONDUCTOR DEFECT INSPECTION METHOD AND APPARATUS Non-Final OA Kia Corporation
18718214 ALARM Final Rejection Mitsubishi Electric Corporation
18733218 ACTUATABLE INSPECTION PROBE FOR NON-DESTRUCTIVE INSPECTION Non-Final OA RTX Corporation
19007791 HANDHELD MEASURING APPARATUS Non-Final OA Aktiebolaget SKF

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Frequently Asked Questions

What is examiner Quang X.L. Nguyen's allowance rate?

49.0% of resolved applications examined by Quang X.L. Nguyen were allowed (496 resolved cases), compared with 58.5% across Art Unit 1774 over the last five years.

Does an interview help with examiner Quang X.L. Nguyen?

This examiner's interview lift is +11.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Quang X.L. Nguyen take to allow a patent?

Applications allowed by Quang X.L. Nguyen took 1,200 days on average from filing to allowance.

Which art unit does examiner Quang X.L. Nguyen work in?

Quang X.L. Nguyen examines applications in Art Unit 1774 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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