Prosecution Insights
Last updated: October 26, 2026

Van Nguyen Chow, USPTO Patent Examiner

Listed by the USPTO as CHOW, VAN NGUYEN

Tech Center 2600 • Art Units: 2623 2627 2688 2689 2694 2695

This examiner grants 84% of resolved cases

Analysis

CHOW, VAN NGUYEN is assigned to Tech Center 2600 and Art Unit 2623. The record contains 871 resolved cases, an 83.5% allowance rate, and a median of 832 days to allowance. Interview lift is 12.6%, indicating a positive association between interviews and allowance outcomes.

The leading companies are Samsung Display Co., Ltd., BOE Technology Group Co., Ltd., and NXP Semiconductors N.V. The listed firms are Calfee, Halter & Griswold LLP and CHIP LAW GROUP. The allowance record supports focused prosecution, and the median timing favors prompt action on office communications and early evaluation of whether an interview can advance claim resolution.

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

Performance Statistics

83.5%
Allow Rate
+21.5% vs TC avg
884
Total Applications
+12.6%
Interview Lift
832
Avg Prosecution Days
Based on 871 resolved cases, 2023–2026

Rejection Statute Breakdown

4.5%
§101 Eligibility
34.6%
§102 Novelty
44.8%
§103 Obviousness
11.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19397002 DISPLAY DEVICE AND ELECTRONIC DEVICE Non-Final OA Samsung Display Co., Ltd.
18945611 DISPLAY PANEL AND DISPLAY DEVICE Final Rejection BOE TECHNOLOGY GROUP CO., LTD.
19146985 ELECTRONIC DEVICE AND METHOD FOR OPERATING THE SAME Final Rejection SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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Frequently Asked Questions

What is examiner Van Nguyen Chow's allowance rate?

83.5% of resolved applications examined by Van Nguyen Chow were allowed (871 resolved cases), compared with 74.6% across Art Unit 2623 over the last five years.

Does an interview help with examiner Van Nguyen Chow?

This examiner's interview lift is +12.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Van Nguyen Chow take to allow a patent?

Applications allowed by Van Nguyen Chow took 832 days on average from filing to allowance.

Which art unit does examiner Van Nguyen Chow work in?

Van Nguyen Chow examines applications in Art Unit 2623 in Tech Center 2600 (Communications).

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