Prosecution Insights
Last updated: May 29, 2026

Examiner: HATFIELD, MARSHALL MU-NUO

Tech Center 2800 • Art Units: 2897

This examiner grants 95% of resolved cases

Performance Statistics

94.9%
Allow Rate
+26.9% vs TC avg
103
Total Applications
+3.5%
Interview Lift
1210
Avg Prosecution Days
Based on 78 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
13.1%
§102 Novelty
84.7%
§103 Obviousness
1.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18378182 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18079373 METHOD OF MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17676045 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18341644 DEVICE, SYSTEM, AND MOVING BODY Final Rejection CANON KABUSHIKI KAISHA
17707898 SUPERCONDUCTING SILICON TRANSISTOR AND FABRICATION THEREOF Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17447948 CARRIER WAFER WITH MULTIPLE ANTIREFLECTIVE COATING LAYERS Non-Final OA International Business Machines Corporation
17485617 GaN SUBSTRATE WAFER AND METHOD FOR MANUFACTURING GaN SUBSTRATE WAFER Final Rejection MITSUBISHI CHEMICAL CORPORATION
17594547 DISPLAY PANEL AND ELECTRONIC DEVICE Non-Final OA Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
18473904 SEMICONDUCTOR STRUCTURES AND FABRICATION METHODS THEREOF, MEMORY AND MEMORY SYSTEMS Non-Final OA Yangtze Memory Technologies Co., Ltd.
18278500 PINNED PHOTODIODE PIXEL Non-Final OA ams-OSRAM Asia Pacific Pte. Ltd.

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