Prosecution Insights
Last updated: May 29, 2026

Examiner: YI, CHANGHYUN

Tech Center 2800 • Art Units: 2800 2812 2826 2834

This examiner grants 94% of resolved cases

Performance Statistics

93.8%
Allow Rate
+25.8% vs TC avg
1,112
Total Applications
+4.2%
Interview Lift
642
Avg Prosecution Days
Based on 1067 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
18.4%
§102 Novelty
61.1%
§103 Obviousness
8.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18397367 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18535143 SEMICONDUCTOR DEVICE HAVING A REINFORCING INSULATING LAYER CORRESPONDING TO A VIA Non-Final OA Samsung Electronics Co., Ltd.
18397122 DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
18397453 HEMT Device with Unmetallized Gate Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18405351 DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18396379 DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18528237 METHOD OF EMBEDDING A BARE DIE IN A CARRIER LAMINATE Final Rejection Infineon Technologies AG
18491920 ACTIVE PIXEL SENSOR AND METHOD FOR FABRICATING AN ACTIVE PIXEL SENSOR Non-Final OA Infineon Technologies AG
18534682 LIGHT EMITTING DEVICE AND PROJECTOR Non-Final OA SEIKO EPSON CORPORATION
18536026 APPARATUSES INCLUDING SHALLOW TRENCH ISOLATION AND METHODS FOR FORMING SAME Non-Final OA MICRON TECHNOLOGY, INC.
18470217 BARRIER STRUCTURE FOR DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF Final Rejection KOREA ELECTRONICS TECHNOLOGY INSTITUTE
18513948 LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA ROHM CO., LTD.
18531007 ETCH STOP LAYERS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18493293 INTERCONNECTION STRUCTURE Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18499985 SEMICONDUCTOR MEMORY DEVICE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR MEMORY DEVICE Non-Final OA SK hynix Inc.
18460008 IMAGE SENSING DEVICE AND METHOD FOR MANUFACTURING THE SAME Final Rejection SK hynix Inc.
18474151 BACK END OF LINE OPTIMIZED TO FUNCTION IN A 3D STACK CONFIGURATION Final Rejection Advanced Micro Devices, Inc.
18574531 QUANTUM DOT STRUCTURES COMPRISING AN INTEGRATED SINGLE ELECTRON TUNNELING READOUT AND SINGLE ELECTRON TUNNELING QUANTUM DOT READOUT STRUCTURES Non-Final OA Technische Universiteit Delft
18503770 GROUP III NITRIDE TRANSISTOR DEVICE Non-Final OA Infineon Technologies Austria AG
18380917 SILICON CONTROLLED RECTIFIERS Final Rejection GlobalFoundries U.S. Inc.
18537427 Substrates for Power Semiconductor Devices Non-Final OA Wolfspeed, Inc.
18369815 MIDDLE VOLTAGE TRANSISTOR AND FABRICATING METHOD OF THE SAME Final Rejection UNITED MICROELECTRONICS CORP.
18397252 SEMICONDUCTOR DEVICE Non-Final OA SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
18396011 SEMICONDUCTOR DEVICE Non-Final OA POWER MASTER SEMICONDUCTOR CO., LTD.
18528489 LIGHT EMITTING STRUCTURE Non-Final OA PROLIGHT OPTO TECHNOLOGY CORPORATION
18563744 QUBIT ELEMENT Non-Final OA Rheinisch-Westfälische Technische Hochschule (RWTH Aachen)

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