Prosecution Insights
Last updated: October 26, 2026

Viet Q Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, VIET Q

Tech Center 4100 • Art Units: 2187 2818 2827 4100

This examiner grants 95% of resolved cases

Analysis

NGUYEN, VIET Q is assigned to USPTO Technology Center 4100 and art unit 2187. The record covers 1274 resolved cases, with an allowance rate of 95.1%. The median time to allowance is 619 days. Interview lift is 3.5%, indicating a limited positive association between interviews and allowance outcomes.

The listed companies are SK hynix Inc., Samsung Electronics Co., Ltd., and Intel Corporation. The listed firms are IP & T GROUP LLP, CKC & Partners Co., LLC, and FISH & RICHARDSON P.C. (TC). The allowance rate and median timing provide a favorable prosecution profile, with a comparatively efficient path to allowance in the recorded data. The modest interview lift suggests that practitioners may reserve interviews for targeted issues and rely primarily on strong claim drafting and written responses. The company and firm activity also gives applicants useful context for technology-specific preparation and portfolio management.

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

Performance Statistics

95.1%
Allow Rate
+35.1% vs TC avg
1,298
Total Applications
+3.5%
Interview Lift
619
Avg Prosecution Days
Based on 1274 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
34.1%
§102 Novelty
27.5%
§103 Obviousness
23.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19003386 PHASE SPLIT CIRCUIT GENERATING COMPLEMENTARY CLOCK SIGNALS AND MEMORY DEVICE INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
19059871 STATIC RANDOM-ACCESS MEMORY Non-Final OA Intel Corporation
18745943 METHODS OF FORMING MICROELECTRONIC DEVICES, AND RELATED MICROELECTRONIC DEVICES AND MEMORY DEVICES Non-Final OA Micron Technology, Inc.
19192522 METHODS AND APPARATUS TO FACILITATE ATOMIC OPERATIONS IN VICTIM CACHE Non-Final OA Texas Instruments Incorporated
19047624 MEMORY APPARATUS AND OPERATION METHOD OF MEMORY APPARATUS Non-Final OA SK hynix Inc.
19034575 VERTICAL MEMORY DEVICE Non-Final OA SK hynix Inc.

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Frequently Asked Questions

What is examiner Viet Q Nguyen's allowance rate?

95.1% of resolved applications examined by Viet Q Nguyen were allowed (1,274 resolved cases), compared with 75.9% across Art Unit 2187 over the last five years.

Does an interview help with examiner Viet Q Nguyen?

This examiner's interview lift is +3.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Viet Q Nguyen take to allow a patent?

Applications allowed by Viet Q Nguyen took 619 days on average from filing to allowance.

Which art unit does examiner Viet Q Nguyen work in?

Viet Q Nguyen examines applications in Art Unit 2187 in Tech Center 4100.

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