Prosecution Insights
Last updated: October 27, 2026

Trong H Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, TRONG H

Tech Center 2400 • Art Units: 2408 2436

This examiner grants 80% of resolved cases

Analysis

NGUYEN, TRONG H is associated with USPTO Technology Center 2400 and art unit 2408. The profile contains 562 resolved cases and an allowance rate of 79.7%. The median time to allowance is 1154 days. Interview lift is 57.2%, indicating a strong measured association between interviews and allowance outcomes.

The listed companies are Intel Corporation, Capital One Services LLC, and Samsung Electronics Co., Ltd. The listed firms are BANNER & WITCOFF, LTD, Compass IP Law PC, and FOLEY & LARDNER LLP. The allowance rate presents a generally favorable but not automatic prosecution outcome. The interview result supports making examiner engagement a central consideration when the technical dispute can benefit from direct explanation. Practitioners should connect interview discussions to focused amendments and a clear written record. The median timing indicates that applicants should preserve flexibility for continued prosecution and align filing strategy with an examination process that may extend over a substantial period.

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

Performance Statistics

79.7%
Allow Rate
+21.7% vs TC avg
575
Total Applications
+57.2%
Interview Lift
1154
Avg Prosecution Days
Based on 562 resolved cases, 2023–2026

Rejection Statute Breakdown

14.5%
§101 Eligibility
17.5%
§102 Novelty
44.4%
§103 Obviousness
16.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19278756 SYSTEMS AND METHODS FOR VALIDATING NETWORK OPERATIONS RELATED TO USE OF A TOKEN VIA A TOKEN REQUEST BASED ON ENTITY CHARACTERISTICS Non-Final OA Capital One Services, LLC
18984893 SECURITY KEY UPDATE IN WIRELESS NETWORKS Final Rejection Samsung Electronics Co., Ltd.
19269859 Virtual Machine Image Management System Non-Final OA Bank of America Corporation
18724426 DEVICE RUNTIME UPDATE PRE-AUTHENTICATION Non-Final OA Intel Corporation
18228547 SELECTION OF PRIMARY AND SECONDARY MANAGEMENT CONTROLLERS IN A MULTIPLE MANAGEMENT CONTROLLER SYSTEM Non-Final OA Intel Corporation
19299950 AUTOMATED ATTACK CHAIN FOLLOWING BY A THREAT ANALYSIS PLATFORM Non-Final OA Cisco Technology, Inc.
17087513 Accelerated Route Lookup for ESP IPSec Tunnels Final Rejection Parallel Wireless, Inc.

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Frequently Asked Questions

What is examiner Trong H Nguyen's allowance rate?

79.7% of resolved applications examined by Trong H Nguyen were allowed (562 resolved cases), compared with 89.4% across Art Unit 2408 over the last five years.

Does an interview help with examiner Trong H Nguyen?

This examiner's interview lift is +57.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Trong H Nguyen took 1,154 days on average from filing to allowance.

Which art unit does examiner Trong H Nguyen work in?

Trong H Nguyen examines applications in Art Unit 2408 in Tech Center 2400 (Networking & Security).

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