Prosecution Insights
Last updated: April 19, 2026

Examiner: HATFIELD, MARSHALL MU-NUO

Tech Center 2800 • Art Units: 2897

This examiner grants 94% of resolved cases

Performance Statistics

94.1%
Allow Rate
+26.1% vs TC avg
102
Total Applications
+3.4%
Interview Lift
1261
Avg Prosecution Days
Based on 68 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
33.1%
§102 Novelty
50.6%
§103 Obviousness
16.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18079373 METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18341644 DEVICE, SYSTEM, AND MOVING BODY Final Rejection CANON KABUSHIKI KAISHA
17935928 LOCAL INTERCONNECT AT BACKSIDE TO ENABLE FLEXIBLE ROUTING ACROSS DIFFERENT CELL Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17707898 SUPERCONDUCTING SILICON TRANSISTOR AND FABRICATION THEREOF Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17891348 SEMICONDUCTOR DEVICE HAVING NANOSHEET TRANSISTOR AND METHODS OF FABRICATION THEREOF Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
17485617 GaN SUBSTRATE WAFER AND METHOD FOR MANUFACTURING GaN SUBSTRATE WAFER Final Rejection MITSUBISHI CHEMICAL CORPORATION
17943557 TRANSISTOR DEVICES WITH EXTENDED DRAIN Non-Final OA Intel Corporation
18050630 SEMICONDUCTOR STRUCTURE OF LOGIC CELL WITH SMALL CELL DELAY Final Rejection MEDIATEK INC.
18473904 SEMICONDUCTOR STRUCTURES AND FABRICATION METHODS THEREOF, MEMORY AND MEMORY SYSTEMS Non-Final OA Yangtze Memory Technologies Co., Ltd.
18357899 SEMICONDUCTOR DEVICE WITH ELECTROSTATIC DISCHARGE PROTECTION Non-Final OA Avago Technologies International Sales Pte. Limited
18118541 IMAGE SENSOR Non-Final OA DB HITEK CO., LTD.
18278500 PINNED PHOTODIODE PIXEL Non-Final OA ams-OSRAM Asia Pacific Pte. Ltd.
18230626 LED ARRAY Final Rejection Meijo University

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