Prosecution Insights
Last updated: October 27, 2026

Kiet Tuan Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, KIET TUAN

Tech Center 2800 • Art Units: 2852 2881

This examiner grants 89% of resolved cases

Analysis

Kiet Tuan Nguyen serves in Tech Center 2800 and Art Unit 2852. With 689 resolved cases, the examiner has an allowance rate of 88.8%. This 88.8% rate serves as a benchmark for applicant success during the examination phase. Practitioners can use this metric to inform their strategy when filing new applications or responding to office actions within this art unit.

The interview lift for this examiner is 0.1%. This value indicates that applications are more likely to reach allowance after an interview compared to the overall allowance rate. The median days to allowance is 765. This 765-day timeline represents the middle point of the pendency period for successful applications. Companies include Taiwan Semiconductor Manufacturing Company, Ltd., Elekta AB, and Applied Materials Inc. Legal representation is often provided by Studebaker Brackett PLLC, Apex Attorneys at Law, LLP, and Cooper Legal Group LLC. The 689 resolved cases and 0.1% lift provide a foundation for managing prosecution timelines.

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

Performance Statistics

88.8%
Allow Rate
+20.8% vs TC avg
707
Total Applications
+0.1%
Interview Lift
765
Avg Prosecution Days
Based on 689 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
38.4%
§102 Novelty
24.0%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18793576 ION PROBE WITH COUPLING TO PLASMA Final Rejection APPLIED MATERIALS, INC.
18785022 SEMICONDUCTOR PROCESSING TOOL AND METHODS OF OPERATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18784525 APPARATUS AND METHOD FOR GENERATING EXTREME ULTRAVIOLET RADIATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18535477 METHOD AND APPARATUS FOR MONITORING AN EXTREME ULTRAVIOLET RADIATION SOURCE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18782095 ION IMPLANTATION SYSTEM Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
18687849 Device for Disinfecting a Surface Using a Light Source Non-Final OA Becton, Dickinson and Company
18738393 SYSTEMS AND METHODS OF SEM INSPECTION USING SELECTIVE SCAN APPROACH Non-Final OA KLA Corporation

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Frequently Asked Questions

What is examiner Kiet Tuan Nguyen's allowance rate?

88.8% of resolved applications examined by Kiet Tuan Nguyen were allowed (689 resolved cases), compared with 78.8% across Art Unit 2852 over the last five years.

Does an interview help with examiner Kiet Tuan Nguyen?

This examiner's interview lift is +0.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kiet Tuan Nguyen take to allow a patent?

Applications allowed by Kiet Tuan Nguyen took 765 days on average from filing to allowance.

Which art unit does examiner Kiet Tuan Nguyen work in?

Kiet Tuan Nguyen examines applications in Art Unit 2852 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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