Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, DAO H

Tech Center 4100 • Art Units: 2818 4100

This examiner grants 91% of resolved cases

Analysis

NGUYEN, DAO H operates within Tech Center 4100 and Art Unit 2818, where they have managed 1274 resolved cases. This volume of cases indicates the examiner's level of experience in handling patent applications within this technology sector. The examiner maintains an allowance rate of 91.4 percent, which provides a baseline for the probability of securing a patent grant. This percentage suggests the likelihood that an application reaching a final disposition will be allowed. Practitioners can use this figure to gauge the general receptivity of the examiner to patentable subject matter.

The data shows an interview lift of 5.7 percent, indicating how direct communication correlates with the probability of success. The interview lift of 5.7 percent is lower than the 91.4 percent allowance rate, which helps determine the relative impact of verbal engagement. The median days to allowance stands at 712, providing a timeline expectation for the prosecution process from filing to grant. This duration reflects the typical pendency for successful applications. Understanding these metrics allows for a more informed strategy when navigating the examination process with this examiner.

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

Performance Statistics

91.4%
Allow Rate
+31.4% vs TC avg
1,294
Total Applications
+5.7%
Interview Lift
712
Avg Prosecution Days
Based on 1274 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
54.5%
§102 Novelty
35.8%
§103 Obviousness
5.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18800139 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18753484 SEMICONDUCTOR DEVICES Non-Final OA Samsung Electronics Co., Ltd.
18486546 SEMICONDUCTOR PACKAGE AND METHOD OF MANUFACTURING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18673326 ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS Non-Final OA SEIKO EPSON CORPORATION
18687577 LIGHT-EMITTING DEVICE, DISPLAY PANEL, DISPLAY APPARATUS AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE Non-Final OA BOE Technology Group Co., Ltd.
18604289 DISPLAY DEVICE Non-Final OA Samsung Display Co., Ltd.
18383404 ORGANIC LIGHT EMITTING DISPLAY APPARATUS Final Rejection LG Display Co., Ltd.
17615175 LIGHT-EMITTING SUBSTRATE AND DISPLAY DEVICE Non-Final OA Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
18324071 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18645598 LANDING PAD STRUCTURES FOR CONTACTS IN LIGHT-EMITTING DIODE CHIPS AND RELATED METHODS Non-Final OA CreeLED, Inc.
18405570 HYBRID SUBSTRATE WITH EMBEDDED COMPONENT Final Rejection QUALCOMM Incorporated
18459664 INTEGRATED CIRCUIT DEVICES WITH BACKSIDE BIT LINES AND WORD LINES Non-Final OA Intel Corporation
18664556 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA Mitsubishi Electric Corporation
18359922 SHARED SOURCE/DRAIN CONTACT FOR STACKED TRANSISTORS Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18334817 STACKED TRANSISTOR STRUCTURES WITH HYBRID GATE PITCH Non-Final OA International Business Machines Corporation
18750465 SEMICONDUCTOR DEVICE WITH HIGH VOLTAGE TERMINATION Non-Final OA Infineon Technologies Austria AG
18324231 STRUCTURE AND METHOD FOR SEMICONDUCTOR PACKAGING Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18779109 SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18770177 SEMICONDUCTOR DEVICE WITH BACKSIDE CONTACT AND METHODS OF FORMING SUCH Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18474606 THROUGH SILICON VIA WITH TEXTURED STRUCTURE AND FOOTING FEATURES Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18463062 HEAT SINK FOR STACKED MULTI-GATE DEVICE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18768952 Semiconductor Device Structure With Uniform Threshold Voltage Distribution and Method of Forming the Same Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18433234 TRENCH AND CHANNEL GAP FILL TUNING FOR FLOWABLE CHEMICAL VAPOR DEPOSITION (FCVD) FILMS Non-Final OA Applied Materials, Inc.
18179858 LATERAL SILICON BRIDGE FOR STACKED DIES Final Rejection Advanced Micro Devices, Inc.
18655343 DISPLAY PANEL AND FABRICATION METHOD THEREOF Non-Final OA AUO Corporation
18505187 CREATING INTERCONNECTS BETWEEN DIES USING A CROSS-OVER DIE AND THROUGH-DIE VIAS Final Rejection ATI TECHNOLOGIES ULC
18386456 THREE-DIMENSIONAL MEMORY DEVICE INCLUDING LOW-K DRAIN-SELECT-LEVEL ISOLATION STRUCTURES AND METHODS OF FORMING THE SAME Non-Final OA SANDISK TECHNOLOGIES LLC
18677857 SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREOF Non-Final OA United Microelectronics Corp.
18834258 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Non-Final OA INSTITUTE OF MICROELECTRONICS, CHINESE ACADEMY OF SCIENCES
18350459 PACKAGE STRUCTURE AND MANUFACTURING METHOD THEREOF Final Rejection POWERTECH TECHNOLOGY INC.

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