Prosecution Insights
Last updated: October 02, 2026

Examiner: 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 A Vu is an examiner in Tech Center 4100, specifically Art Unit 2800. The examiner has handled 1362 resolved cases. The allowance rate is 92.4 percent. This is an exceptionally high rate, indicating that nearly all applications reaching a resolution are granted. Practitioners can approach prosecution with this examiner with a high degree of confidence in the probability of success.

The interview lift is 6.6 percent. This positive lift suggests that interviews can further improve the 92.4 percent allowance rate. Practitioners should consider this approach to resolve any remaining issues quickly. Even with a high baseline, the data shows that direct communication can still provide a marginal benefit in securing a grant in Art Unit 2800.

The median days to allowance is 671. This timeframe is very short, reflecting a highly efficient prosecution process. With 1362 resolved cases, the examiner's data shows a consistent and fast approach in Tech Center 4100. This combination of a high allowance rate and short pendency makes this examiner's process very efficient for applicants.

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

Performance Statistics

92.4%
Allow Rate
+32.4% vs TC avg
1,381
Total Applications
+6.6%
Interview Lift
671
Avg Prosecution Days
Based on 1362 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
31.3%
§102 Novelty
46.5%
§103 Obviousness
15.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18742376 SEMICONDUCTOR DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18620333 SEMICONDUCTOR MEMORY 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 Final Rejection SAMSUNG ELECTRONICS CO., LTD
18887335 LIGHT EMITTING ELEMENT Non-Final OA TOYODA GOSEI CO., LTD.
18841905 Light-Emitting Substrate, Backlight Module, and Display Apparatus Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18790855 DISPLAY DEVICE AND METHOD OF MANUFACTURING THE DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18646268 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18620407 DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Final Rejection Samsung Display Co., LTD.
18620497 DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18607631 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18738095 BUMP MANUFACTURING METHOD AND IMPRINT DIE USED IN SAME Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18716691 Optic for an Under-Display Image Sensor of an Electronic Device Non-Final OA Google LLC
18779147 LIGHT-EMITTING ELEMENT AND LIGHT-EMITTING DEVICE Non-Final OA SHARP KABUSHIKI KAISHA
18121720 FABRICATION OF GATE-ALL-AROUND INTEGRATED CIRCUIT STRUCTURES HAVING TUNED UPPER NANOWIRES Final Rejection Intel Corporation
17956760 SIDE OF A DIE THAT IS COPLANAR WITH A SIDE OF A MOLDING Non-Final OA Intel Corporation
18841160 PATTERN INSPECTION METHOD, METHOD FOR MANUFACTURING RESIST PATTERN, TARGET SUBSTRATE SELECTION METHOD, AND METHOD FOR MANUFACTURING TARGET SUBSTRATE Non-Final OA Resonac Corporation
18839951 METHOD OF MANUFACTURING A SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE Non-Final OA ams-OSRAM International GmbH
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.
18645288 SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME Non-Final OA SK hynix Inc.
18544590 THERMALLY CONDUCTIVE WAFER LAYER Non-Final OA Texas Instruments Incorporated
18362635 IC PACKAGE WITH IMMERSION TIN ON FLANK Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18781293 SEMICONDUCTOR STRUCTURE HAVING DEEP METAL LINE AND METHOD FOR FORMING THE SEMICONDUCTOR STRUCTURE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18659745 SEMICONDUCTOR PACKAGE WITH HEAT SPREADING LID 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.
18745485 REDUCED STRAIN AND STOP LAYER FOR Si/SiGe EPI STACKS Non-Final OA Applied Materials, Inc.
18895404 NITRIDE SEMICONDUCTOR DEVICE Non-Final OA ROHM CO., LTD.
18777108 SEMICONDUCTOR DEVICE Non-Final OA ROHM CO., LTD.
18785246 BONDING METHOD, BONDING DEVICE, AND HOLDING MEMBER Non-Final OA SCREEN Holdings Co., Ltd.

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