Prosecution Insights
Last updated: October 27, 2026

Dung T Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, DUNG T

Tech Center 2800 • Art Units: 2828 2871 2872

This examiner grants 82% of resolved cases

Analysis

NGUYEN, DUNG T is assigned to Technology Center 2800 and Art Unit 2828. The profile covers 1615 resolved cases and reports an allowance rate of 82.2%, indicating a favorable outcome record supported by substantial activity. The median time to allowance is 920 days, which should be incorporated into prosecution forecasts even when the expected outcome is positive.

The interview lift is 0.9%, showing little association with allowance outcomes in this record. Counsel may still use interviews for efficient clarification, but the data supports making written claim strategy the central focus. The leading companies are Canon Inc., MAKITA Corporation, and Samsung Display Co., Ltd. The leading firms are JCIPRNET, BIRCH STEWART KOLASCH & BIRCH, LLP, and CANTOR COLBURN LLP.

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

Performance Statistics

82.2%
Allow Rate
+14.2% vs TC avg
1,649
Total Applications
+0.9%
Interview Lift
920
Avg Prosecution Days
Based on 1615 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
33.0%
§102 Novelty
43.6%
§103 Obviousness
12.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18926426 OPTICAL SYSTEM Non-Final OA FUJIFILM Corporation
18959998 WORK MACHINE AND DISPLAY DEVICE Non-Final OA MAKITA CORPORATION
18807710 IMAGING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
18411147 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18528391 ELECTROPHORETIC CAPSULES ENABLING BLOCKING OF VISIBLE AND NON-VISIBLE WAVELENGTHS Non-Final OA The Boeing Company
18957855 ELECTRONIC DEVICE Non-Final OA Innolux Corporation
18224150 DISPLAY DEVICE Non-Final OA Semiconductor Energy Laboratory Co., Ltd.
18763839 POLARIZING PLATE AND OPTICAL DISPLAY APPARATUS Final Rejection SAMSUNG SDI CO., LTD.
18512560 GRADIENT-INDEX LIQUID CRYSTAL LENS HAVING CURVED SURFACE SHAPE Non-Final OA Meta Platforms Technologies, LLC
18988429 OPTICAL FILTER AND IMAGING APPARATUS Non-Final OA AGC Inc.
18663771 PHOTONIC INTEGRATED CIRCUIT AND CONTROLLING METHOD THEREOF FOR VERTICAL OPTICAL COMPUTING Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
19002964 DISPLAY DEVICE Non-Final OA Magnolia White Corporation

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Frequently Asked Questions

What is examiner Dung T Nguyen's allowance rate?

82.2% of resolved applications examined by Dung T Nguyen were allowed (1,615 resolved cases), compared with 64.7% across Art Unit 2828 over the last five years.

Does an interview help with examiner Dung T Nguyen?

This examiner's interview lift is +0.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Dung T Nguyen took 920 days on average from filing to allowance.

Which art unit does examiner Dung T Nguyen work in?

Dung T Nguyen examines applications in Art Unit 2828 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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