Prosecution Insights
Last updated: October 27, 2026

Vu A Vu, USPTO Patent Examiner

Listed by the USPTO as VU, VU A

Tech Center 4100 • Art Units: 2800 2812 2817 2823 2828 2893 2897 4100

This examiner grants 92% of resolved cases

Analysis

VU, VU A works in Tech Center 4100 and Art Unit 2800. The record reflects 1368 resolved cases, a 92.3% allowance rate, and a median of 672 days to allowance. Interviews show a 6.7% lift, so the profile emphasizes a strong allowance record and comparatively short median path more than interview activity.

Samsung Display Co., Ltd., Taiwan Semiconductor Manufacturing Company, Ltd., and Samsung Electronics Co., Ltd. are the leading companies. The listed firms are CANTOR COLBURN LLP, SCHWABE, WILLIAMSON & WYATT, P.C., and Womble Bond Dickinson US LLP. The substantial record supports confident planning around claim presentation and response timing.

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

Performance Statistics

92.3%
Allow Rate
+32.3% vs TC avg
1,422
Total Applications
+6.7%
Interview Lift
672
Avg Prosecution Days
Based on 1368 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
31.3%
§102 Novelty
46.0%
§103 Obviousness
15.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18742376 SEMICONDUCTOR DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18521965 SEMICONDUCTOR CHIP HAVING A FRICTION STRUCTURE, SEMICONDUCTOR PACKAGE INCLUDING THE SAME, AND METHOD FOR MANUFACTURING A SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD
18657500 LIGHT EMITTING DISPLAY APPARATUS Final Rejection LG Display Co., Ltd.
18646268 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18620497 DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18620407 DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Final Rejection Samsung Display Co., LTD.
18398732 DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Final Rejection Samsung Display Co., LTD.
18716691 Optic for an Under-Display Image Sensor of an Electronic Device Non-Final OA Google LLC
18254848 SEMICONDUCTOR MODULE AND METHOD FOR MANUFACTURING THE SAME Final Rejection SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18841905 Light-Emitting Substrate, Backlight Module, and Display Apparatus Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18738095 BUMP MANUFACTURING METHOD AND IMPRINT DIE USED IN SAME Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18375084 INTEGRATED CIRCUIT STRUCTURE WITH DEEP VIA BAR WIDTH TUNING Non-Final OA Intel Corporation
17956760 SIDE OF A DIE THAT IS COPLANAR WITH A SIDE OF A MOLDING Non-Final OA Intel Corporation
18839951 METHOD OF MANUFACTURING A SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE Non-Final OA ams-OSRAM International GmbH
18362635 IC PACKAGE WITH IMMERSION TIN ON FLANK Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18798659 IMAGE SENSING DEVICE Non-Final OA SK hynix Inc.
18766673 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA SK hynix Inc.
18895404 NITRIDE SEMICONDUCTOR DEVICE Non-Final OA ROHM CO., LTD.
18745485 REDUCED STRAIN AND STOP LAYER FOR Si/SiGe EPI STACKS Non-Final OA Applied Materials, Inc.
18781293 SEMICONDUCTOR STRUCTURE HAVING DEEP METAL LINE AND METHOD FOR FORMING THE SEMICONDUCTOR STRUCTURE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18785053 Semiconductor Devices and Methods of Manufacture Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18741654 DEVICES WITH THROUGH SILICON VIAS, GUARD RINGS AND METHODS OF MAKING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18915263 SEMICONDUCTOR ARRANGEMENT AND METHOD OF MANUFACTURE Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18770886 MICRO-ELECTROMECHANICAL SYSTEM DEVICE USING A METALLIC MOVABLE PART AND METHODS FOR FORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18841160 PATTERN INSPECTION METHOD, METHOD FOR MANUFACTURING RESIST PATTERN, TARGET SUBSTRATE SELECTION METHOD, AND METHOD FOR MANUFACTURING TARGET SUBSTRATE Non-Final OA Resonac Corporation
18785246 BONDING METHOD, BONDING DEVICE, AND HOLDING MEMBER Non-Final OA SCREEN Holdings Co., Ltd.
18916723 Method for forming layout pattern of static random access memory Non-Final OA UNITED MICROELECTRONICS CORP.
18679754 HIGH-ELECTRON-MOBILITY TRANSISTOR HAVING GROUP-III-NITRIDE CAPPING LAYER SEPARATED FROM CONTACT Non-Final OA MACOM Technology Solutions Holdings, Inc.

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Frequently Asked Questions

What is examiner Vu A Vu's allowance rate?

92.3% of resolved applications examined by Vu A Vu were allowed (1,368 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Vu A Vu?

This examiner's interview lift is +6.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vu A Vu take to allow a patent?

Applications allowed by Vu A Vu took 672 days on average from filing to allowance.

Which art unit does examiner Vu A Vu work in?

Vu A Vu examines applications in Art Unit 2800 in Tech Center 4100.

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