Prosecution Insights
Last updated: October 27, 2026

Phuoc H Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, PHUOC H

Tech Center 3600 • Art Units: 2143 2443 2447 2451 3628

This examiner grants 86% of resolved cases

Analysis

NGUYEN, PHUOC H is a USPTO patent examiner in tech center 3600 and art unit 2143. The profile contains 828 resolved cases and shows an 86.4% allowance rate. Median time to allowance is 1032 days. Interview lift is 13.9%, lower than the allowance rate but relevant to individual case planning. The record supports a prosecution approach centered on clear claim distinctions, with interviews available to address remaining issues.

The listed companies are Brother Kogyo Kabushiki Kaisha, Pure Storage Inc., and Orange. The leading firms are Knobbe, Martens, Olson & Bear, LLP, FOLEY & LARDNER LLP, and Hanley, Flight and Zimmerman, LLC. The 1032-day median should inform client expectations and portfolio scheduling.

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

Performance Statistics

86.4%
Allow Rate
+34.4% vs TC avg
860
Total Applications
+13.9%
Interview Lift
1032
Avg Prosecution Days
Based on 828 resolved cases, 2023–2026

Rejection Statute Breakdown

17.0%
§101 Eligibility
33.7%
§102 Novelty
31.5%
§103 Obviousness
5.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19088144 COMMUNICATION SYSTEM, SERVER, AND COMMUNICATION METHOD Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18819167 ROUTING HIGH VOLUME PACKET STREAMS IN A VIRTUAL NETWORK Final Rejection Oracle International Corporation
19030295 Identifying a Resource of a Storage Network for Data Retrieval Final Rejection Pure Storage, Inc.
18752977 NETWORK DEVICE AND MODEL LEARNING METHOD Final Rejection Fujitsu Limited
18913652 Blockchains For Securing IoT Devices Final Rejection Intel Corporation
18874558 ANOMALY DETECTION FOR DEVICE APPLICATION MAINTENANCE Final Rejection Orange
19198896 SYSTEMS AND METHODS FOR OPTIMIZING ACCESS TO CLOUD RESOURCES USING PREFERENTIAL LOCALIZATION Non-Final OA Cisco Technology, Inc.
19087644 SHORT MESSAGE SERVICE CONGESTION MANAGER Non-Final OA AT&T Intellectual Property I, L.P.
18632683 MACHINE LEARNING OPTIMIZATION OF A PROCESS IN VIEW OF PREDICTED SUSTAINABILITY Non-Final OA Schneider Electric USA, Inc.

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Frequently Asked Questions

What is examiner Phuoc H Nguyen's allowance rate?

86.4% of resolved applications examined by Phuoc H Nguyen were allowed (828 resolved cases), compared with 50.4% across Art Unit 2143 over the last five years.

Does an interview help with examiner Phuoc H Nguyen?

This examiner's interview lift is +13.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Phuoc H Nguyen take to allow a patent?

Applications allowed by Phuoc H Nguyen took 1,032 days on average from filing to allowance.

Which art unit does examiner Phuoc H Nguyen work in?

Phuoc H Nguyen examines applications in Art Unit 2143 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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