Prosecution Insights
Last updated: October 27, 2026

Henry Wing Sing Cheung, USPTO Patent Examiner

Listed by the USPTO as CHEUNG, HENRY WING SING

Tech Center 2400 • Art Units: 2431 2433

This examiner grants 0% of resolved cases

Performance Statistics

—
Allow Rate
-58.0% vs TC avg
6
Total Applications
—
Interview Lift
0
Avg Prosecution Days
Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

15.4%
§101 Eligibility
38.5%
§102 Novelty
38.5%
§103 Obviousness
7.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19298925 ELECTRONIC DEVICE AND METHOD OF TRANSMITTING, BY ELECTRONIC DEVICE, CHARACTER STRING DATA OF WHICH PRIVACY IS SECURED Non-Final OA Samsung Electronics Co., Ltd.
19287206 Method And Apparatus For Processing Data, Medium, And Device Non-Final OA XG Tech PTE. LTD.

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Frequently Asked Questions

Which art unit does examiner Henry Wing Sing Cheung work in?

Henry Wing Sing Cheung examines applications in Art Unit 2431 in Tech Center 2400 (Networking & Security).

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