Prosecution Insights
Last updated: October 26, 2026

Ngoc K Vu, USPTO Patent Examiner

Listed by the USPTO as VU, NGOC K

Tech Center 2600 • Art Units: 2421 2623

This examiner grants 72% of resolved cases

Analysis

VU, NGOC K is assigned to Tech Center 2600 and Art Unit 2421. The profile covers 263 resolved cases, a 71.9% allowance rate, and a median of 1326 days to allowance. The interview lift is 12.7%, indicating that interviews may be useful but should be paired with careful written treatment of issues during a lengthy prosecution path.

Samsung Electronics Co., Ltd., International Business Machines Corporation, and Comcast Cable Communications LLC are the listed companies. The leading firms are Artegis Law Group, LLP, BANNER & WITCOFF, LTD, and FisherBroyles, LLP - MAIN CN. Practitioners should plan for the favorable allowance record while addressing the extended median timeline.

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

Performance Statistics

71.9%
Allow Rate
+9.9% vs TC avg
279
Total Applications
+12.7%
Interview Lift
1326
Avg Prosecution Days
Based on 263 resolved cases, 2023–2026

Rejection Statute Breakdown

5.5%
§101 Eligibility
15.9%
§102 Novelty
47.9%
§103 Obviousness
17.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19107814 LIVE-STREAMING ROOM VISITING METHOD AND APPARATUS, AND DEVICE AND MEDIUM Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18128500 SMART ADVERTISING TIMING IN VIDEO STREAMING FROM INTERNET OF THINGS (IoT) SENSORS Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18622808 SYSTEMS AND METHODS FOR REDUCING CONCURRENT CLIENT REQUESTS DURING STREAMING PLATFORM EVENTS Final Rejection Netflix, Inc.

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Frequently Asked Questions

What is examiner Ngoc K Vu's allowance rate?

71.9% of resolved applications examined by Ngoc K Vu were allowed (263 resolved cases), compared with 66.7% across Art Unit 2421 over the last five years.

Does an interview help with examiner Ngoc K Vu?

This examiner's interview lift is +12.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ngoc K Vu take to allow a patent?

Applications allowed by Ngoc K Vu took 1,326 days on average from filing to allowance.

Which art unit does examiner Ngoc K Vu work in?

Ngoc K Vu examines applications in Art Unit 2421 in Tech Center 2600 (Communications).

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