Prosecution Insights
Last updated: April 19, 2026

Examiner: YI, CHANGHYUN

Tech Center 2800 • Art Units: 2812 2826 2834

This examiner grants 94% of resolved cases

Performance Statistics

93.7%
Allow Rate
+25.7% vs TC avg
1105
Total Applications
+4.4%
Interview Lift
722
Avg Prosecution Days
Based on 1056 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
35.9%
§102 Novelty
34.4%
§103 Obviousness
12.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18541625 SEMICONDUCTOR DEVICES 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.
18380914 IMAGE SENSOR INCLUDING NANO-PHOTONIC MICROLENS ARRAY AND ELECTRONIC APPARATUS INCLUDING THE IMAGE SENSOR Non-Final OA Samsung Electronics Co., Ltd.
18242399 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18235627 IMAGE SENSOR HAVING NANO-PHOTONIC LENS ARRAY AND ELECTRONIC APPARATUS INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18397122 DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
18541494 DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
18538984 LIGHT EMITTING DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
18397453 HEMT Device with Unmetallized Gate Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18538879 METHOD FOR FORMING A SEMICONDUCTOR DEVICE Non-Final OA Katholieke Universiteit Leuven
18405351 DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18396379 DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18538704 DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18382552 ELECTRONIC DEVICE INCLUDING ORGANIC PHOTODIODE AND ORGANIC LIGHT-EMITTING DEVICE Non-Final OA Samsung Display Co., Ltd.
18574667 METHOD FOR FILLING REDUNDANT METALS IN CHIP, CHIP AND SEMICONDUCTOR DEVICE Non-Final OA SUZHOU METABRAIN INTELLIGENT TECHNOLOGY CO., LTD.
18534682 LIGHT EMITTING DEVICE AND PROJECTOR Non-Final OA SEIKO EPSON CORPORATION
18491920 ACTIVE PIXEL SENSOR AND METHOD FOR FABRICATING AN ACTIVE PIXEL SENSOR Non-Final OA Infineon Technologies AG
18148577 MIDDLE OF THE LINE ARCHITECTURE WITH SUBTRACTIVE SOURCE/DRAIN CONTACT Non-Final OA International Business Machines Corporation
18531007 ETCH STOP LAYERS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18493293 INTERCONNECTION STRUCTURE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18461043 SEMICONDUCTOR DEVICE AND METHODS OF FORMATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18536026 APPARATUSES INCLUDING SHALLOW TRENCH ISOLATION AND METHODS FOR FORMING SAME Non-Final OA MICRON TECHNOLOGY, INC.
18373969 Monolighic Quantum Nanowire Device and Methods of Manufacture Non-Final OA The Regents of the University of Michigan
18470217 BARRIER STRUCTURE FOR DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA KOREA ELECTRONICS TECHNOLOGY INSTITUTE
18460008 IMAGE SENSING DEVICE AND METHOD FOR MANUFACTURING THE SAME Final Rejection SK hynix Inc.
18516478 SEMICONDUCTOR DEVICE STRUCTURE FOR CHIP IDENTIFICATION Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
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
18397073 VERTICAL ORGANIC TRANSISTOR AND METHOD OF MANUFACTURING THE SAME Non-Final OA KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
18537427 Substrates for Power Semiconductor Devices Non-Final OA Wolfspeed, Inc.

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