Prosecution Insights
Last updated: October 26, 2026

Vinh Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, VINH

Tech Center 2400 • Art Units: 2453

This examiner grants 63% of resolved cases

Analysis

NGUYEN, VINH works in USPTO Technology Center 2400, art unit 2453. The profile records 59 resolved cases and an allowance rate of 62.7%. The median time to allowance is 1025 days. Interview lift is 69.2%, indicating a strong measured association between interviews and allowance outcomes in the available record.

The listed companies are Capital One Services LLC, Snap Inc., and Microsoft Technology Licensing, LLC. The listed firms are BRAKE HUGHES BELLERMANN LLP, Kilpatrick Townsend & Stockton LLP - East Coast, and Knobbe, Martens, Olson & Bear, LLP. The limited resolved-case record warrants caution when generalizing the figures. Within the available data, the allowance rate indicates meaningful prosecution challenges, while the interview result makes examiner engagement a prominent strategic consideration. Practitioners may focus interviews on precise technical distinctions and follow them with clear written amendments. The median timing supports planning for extended prosecution and preserving flexibility for continued examination.

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

Performance Statistics

62.7%
Allow Rate
+4.7% vs TC avg
81
Total Applications
+69.2%
Interview Lift
1025
Avg Prosecution Days
Based on 59 resolved cases, 2023–2026

Rejection Statute Breakdown

6.9%
§101 Eligibility
9.6%
§102 Novelty
67.2%
§103 Obviousness
9.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18565283 PROVIDING COMMUNICATION SERVICES THROUGH I/O USER DEVICES TO A USER Non-Final OA Telefonaktiebolaget LM Ericsson (publ)
18587776 SYSTEMS AND METHODS FOR REAL TIME MONITORING OF CLOUD RESOURCES Final Rejection Capital One Services, LLC
18921694 ESTABLISHING PKI CHAIN OF TRUST IN AIR GAPPED CLOUD Non-Final OA Microsoft Technology Licensing, LLC
18421297 APPARATUS, METHOD, AND COMPUTER PROGRAM Final Rejection Nokia Technologies Oy
18603776 IDENTIFYING DEVICES AND DEVICE INTENTS IN AN IOT NETWORK Non-Final OA Cisco Technology, Inc.

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Frequently Asked Questions

What is examiner Vinh Nguyen's allowance rate?

62.7% of resolved applications examined by Vinh Nguyen were allowed (59 resolved cases), compared with 66.4% across Art Unit 2453 over the last five years.

Does an interview help with examiner Vinh Nguyen?

This examiner's interview lift is +69.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vinh Nguyen take to allow a patent?

Applications allowed by Vinh Nguyen took 1,025 days on average from filing to allowance.

Which art unit does examiner Vinh Nguyen work in?

Vinh Nguyen examines applications in Art Unit 2453 in Tech Center 2400 (Networking & Security).

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