Prosecution Insights
Last updated: October 26, 2026

David Tung, USPTO Patent Examiner

Listed by the USPTO as TUNG, DAVID

Tech Center 2600 • Art Units: 2622 2629 2694

This examiner grants 63% of resolved cases

Analysis

TUNG, DAVID is assigned to USPTO technology center 2600 and art unit 2622. The profile covers 591 resolved cases and shows a 62.6% allowance rate. Interviews correspond to a 16.5% lift, and median time to allowance is 1083 days.

Top company entries are Samsung Display Co., Ltd., LX Semicon Co., Ltd., and BOE Technology Group Co., Ltd. The listed firms are CANTOR COLBURN LLP, F. CHAU & ASSOCIATES, LLC, and CROWELL & MORING LLP. The combination of outcome, interview, and timing data gives counsel a practical basis for examiner-specific prosecution planning.

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

Performance Statistics

62.6%
Allow Rate
+0.6% vs TC avg
613
Total Applications
+16.5%
Interview Lift
1083
Avg Prosecution Days
Based on 591 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
25.7%
§102 Novelty
61.4%
§103 Obviousness
7.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18870595 MURA COMPENSATION MODULE, DISPLAY CONTROL APPARATUS INCLUDING SAME, AND MURA COMPENSATION METHOD USING THE SAME Final Rejection LX SEMICON CO., LTD.
19410789 PIXEL CIRCUIT, DISPLAY DEVICE INCLUDING THE PIXEL CIRCUIT AND ELECTRONIC DEVICE INCLUDING THE DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
19220751 PIXEL AND DISPLAY DEVICE INCLUDING THE SAME Final Rejection Samsung Display Co., LTD.
19013378 DISPLAY DEVICE AND METHOD FOR OPTICALLY COMPENSATING THE SAME Non-Final OA SAMSUNG DISPLAY CO., LTD.
19010648 DISPLAY DEVICE AND DRIVING METHOD OF DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18999375 DISPLAY DEVICE, METHOD OF DRIVING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME Final Rejection SAMSUNG DISPLAY CO., LTD.
18626322 DISPLAY DEVICE Final Rejection Samsung Display Co., Ltd.
19027750 Display Drive Chip, Display, and Display Apparatus Final Rejection Huawei Technologies Co., Ltd.
18876122 SCREEN BRIGHTNESS ADJUSTMENT METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM Final Rejection HONOR DEVICE CO., LTD.
19146036 Display Device and Motor Vehicle Having a Display Device Final Rejection Bayerische Motoren Werke Aktiengesellschaft
18842814 Display Substrate and Display Apparatus Non-Final OA Beijing BOE Technology Development Co., Ltd.

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Frequently Asked Questions

What is examiner David Tung's allowance rate?

62.6% of resolved applications examined by David Tung were allowed (591 resolved cases), compared with 70.9% across Art Unit 2622 over the last five years.

Does an interview help with examiner David Tung?

This examiner's interview lift is +16.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David Tung take to allow a patent?

Applications allowed by David Tung took 1,083 days on average from filing to allowance.

Which art unit does examiner David Tung work in?

David Tung examines applications in Art Unit 2622 in Tech Center 2600 (Communications).

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